Spiritual surrender, a profound psychological and spiritual process, plays a crucial role in the experience of advanced consciousness states. This article explores the multifaceted dimensions of spiritual surrender across various spiritual traditions, emphasizing its importance in ego dissolution, mystical union, and transcendent experiences. By examining the psychological mechanisms underlying surrender, including the release of control and attachment, the article highlights its therapeutic potential for healing and growth. It also discusses the stages of surrender, from initial resistance to the moment of profound letting go, and its long-term integration into daily life. Additionally, the article addresses contemporary practices and the role of spiritual guides in facilitating surrender. Overall, spiritual surrender is positioned as a transformative pathway to deeper consciousness, compassion, and psychospiritual healing.
Introduction
Spiritual surrender is a pivotal concept in many religious and spiritual traditions, representing a process of yielding or letting go of personal will, egoic control, and attachment to outcomes. It often involves a profound inner release, allowing an individual to transcend the boundaries of the self and experience a deeper connection with a higher power, the universe, or a transcendent state of consciousness. In the context of advanced consciousness, spiritual surrender is not simply about passivity but an active engagement in relinquishing egoic desires, beliefs, and attachments. It is a journey toward self-transcendence, where the boundaries between the individual and the collective, or the divine, begin to dissolve. This concept aligns with the idea of non-dual awareness, where the distinction between subject and object vanishes, allowing the individual to experience a sense of oneness with all of existence (Wilber, 2000).
The process of spiritual surrender in advanced consciousness states, such as mystical experiences or self-transcendent moments, often involves significant psychological and spiritual shifts. These experiences are commonly associated with peak states of consciousness, where the individual enters a state of deep interconnectedness and union beyond the ego’s control (James, 2004). For many, this process can be transformative, leading to lasting psychological and emotional changes. Surrendering is a mechanism for transcending the limitations of the mind, allowing for experiences that go beyond ordinary waking consciousness. These experiences are often described as ineffable, beyond language, and deeply transformative. Spiritual surrender, in this context, becomes a gateway to encountering higher states of consciousness, often resulting in greater clarity, peace, and a deeper sense of purpose (Tolle, 2004).
In the realm of transpersonal psychology, spiritual surrender is seen as a key element in achieving advanced consciousness, which can manifest in various forms, such as mystical union, non-duality, or communion with the divine. This form of surrender is not merely a loss of control but a conscious act of releasing personal will to align with a higher, more expansive reality. The experiences that arise from this surrender are often life-altering, reshaping one’s understanding of self and reality (Huxley, 1954). Additionally, spiritual surrender is thought to play a critical role in psychospiritual healing, helping individuals confront and release deep emotional wounds, traumas, and existential fears. Thus, it serves as both a psychological and spiritual process that facilitates growth, healing, and transformation, especially in the context of advanced states of consciousness.
The Concept of Surrender in Spiritual Traditions
Spiritual surrender is a central theme in many of the world’s spiritual traditions, often serving as a pathway to transcendence and mystical union with the divine. In Christianity, surrender is closely linked with the concept of submission to God’s will, epitomized by Jesus’ words in the Garden of Gethsemane: “Not my will, but yours be done” (Luke 22:42, New International Version). This act of relinquishing control and trusting in a higher power is seen as essential for achieving divine grace and salvation. Christian mystics, such as St. Teresa of Ávila and St. John of the Cross, described surrender as a necessary process in the spiritual journey, one that leads to union with God through the purgation of the ego and complete openness to divine love (Underhill, 1993). In this context, surrender is not a passive resignation but an active spiritual practice of letting go and aligning one’s will with divine will.
In Sufism, the mystical branch of Islam, surrender (or taslim) is fundamental to the spiritual path. Sufis emphasize the importance of annihilating the self (fana) to achieve union with God. This annihilation of the ego is not a loss of identity but a transformative process that leads to the realization of divine oneness (Schimmel, 1975). The Sufi mystic Rumi poetically captured the essence of surrender in his teachings, urging followers to “give up wanting what you want” and instead embrace what the divine offers (Barks, 1995). Through this act of surrender, the individual is freed from the limitations of personal desire and is open to receiving divine wisdom and love. In Sufi practice, spiritual surrender is often facilitated through rituals such as dhikr (remembrance of God) and sama (listening to spiritual music), which guide the practitioner into states of profound spiritual openness.
In Hinduism, the concept of surrender is encapsulated in the principle of bhakti or devotion, particularly in the Bhagavad Gita, where Krishna instructs Arjuna to surrender fully to him as a means of attaining liberation. Surrender in this context involves the relinquishing of personal ego and desires, offering all actions to God without attachment to the fruits of those actions (Bhagavad Gita 18:66, Prabhupada, 1972). This is not merely a theological instruction but a psychological process of detachment from the ego’s constant demands and desires, allowing the individual to experience a deeper state of peace and alignment with the divine order. Through the practice of bhakti yoga, individuals are encouraged to cultivate humility, devotion, and surrender as a means of transcending the ego and experiencing union with the divine.
In Buddhism, the concept of surrender is intricately linked with the teaching of non-attachment and the dissolution of the self. While the Buddha did not advocate surrender in the same theological sense as Christianity or Islam, his teachings emphasize the importance of letting go of the ego, desires, and attachments as a path to enlightenment. In advanced stages of Buddhist practice, particularly in Mahayana and Vajrayana traditions, practitioners are encouraged to surrender the delusion of a separate self and embrace the interconnectedness of all beings (Dalai Lama, 1997). This surrender of the ego and the false sense of separateness is necessary for realizing nirvana, the state of ultimate liberation. Meditation practices, particularly those focused on mindfulness and compassion, are tools for cultivating the surrender of the individual self to the larger flow of existence, leading to profound spiritual insight.
Across these spiritual traditions, the act of surrender is often seen as both a psychological and spiritual necessity for transcending the ego and realizing higher states of consciousness. Whether through Christian mysticism, Sufi devotion, Hindu bhakti, or Buddhist non-attachment, surrender facilitates a profound transformation of the self. It involves a conscious decision to relinquish control and trust in a larger, often divine, order. In these traditions, surrender is not a passive act but an active engagement in the spiritual path, requiring deep faith, trust, and the courage to let go of the ego’s desire for control. As such, spiritual surrender remains one of the most powerful tools for accessing advanced states of consciousness and achieving spiritual awakening across different cultures and spiritual frameworks (Underhill, 1993).
Psychological Mechanisms of Spiritual Surrender
Spiritual surrender involves complex psychological processes that enable individuals to transcend their egoic structures and access higher states of consciousness. One of the central psychological mechanisms of spiritual surrender is ego death, which refers to the dissolution of the personal identity that is maintained by the ego. Ego death is often experienced in moments of profound spiritual insight, where the boundaries of the self dissolve, and the individual feels a deep sense of unity with the universe or the divine. From a psychological perspective, this process can be understood as a reconfiguration of the self-concept, where the individual’s sense of separateness is replaced by a broader, more integrated awareness (Kastrup, 2018). Ego death is typically accompanied by feelings of liberation, peace, and heightened awareness, as the individual no longer perceives themselves as a discrete entity separate from others and the world.
Another key psychological mechanism of spiritual surrender is the process of letting go, which involves relinquishing control over one’s thoughts, emotions, and circumstances. This letting go is not merely a passive act but an active process of releasing attachment to outcomes, desires, and personal agendas. Psychologically, this aligns with the concept of cognitive defusion in acceptance and commitment therapy (ACT), where individuals learn to detach from their thoughts and feelings rather than being dominated by them (Hayes et al., 1999). In spiritual surrender, this detachment is taken further, where the individual trusts in a higher power or larger cosmic order. Letting go allows individuals to break free from habitual patterns of control and attachment, leading to a state of openness and receptivity that is essential for accessing advanced consciousness states.
Neuroscientific research provides insight into how spiritual surrender may correlate with changes in brain activity, particularly in regions associated with self-referential processing and control. Studies have shown that during experiences of surrender or ego dissolution, activity in the default mode network (DMN), a brain network involved in self-referential thinking and mind-wandering, decreases significantly (Carhart-Harris et al., 2014). This deactivation of the DMN is thought to be associated with reduced ego boundaries and a shift in consciousness from a self-centered perspective to one of greater interconnectedness. The reduced activity in these regions may also explain the sense of timelessness and unity often reported during spiritual surrender, as individuals move beyond the normal constraints of time, space, and identity (Vollenweider & Kometer, 2010). These findings suggest that spiritual surrender involves both psychological and neurological changes that facilitate the transcendence of ordinary conscious states.
Spiritual surrender also involves emotional regulation, as individuals must confront and release deeply held fears, anxieties, and attachments during the process of letting go. Psychologically, this can be understood as a form of exposure therapy, where individuals face their existential fears, such as the fear of death, loss, or uncertainty, and gradually learn to accept them without resistance. This is particularly evident in spiritual practices like meditation or mindfulness, where practitioners cultivate a non-judgmental awareness of their thoughts and emotions, allowing them to flow without attachment (Kabat-Zinn, 2003). In the context of spiritual surrender, this emotional regulation is often accompanied by feelings of relief, inner peace, and a deep sense of trust in the unfolding of life. As individuals release their attachment to outcomes and control, they experience a shift from fear-based reactions to a more expansive, accepting state of being.
Lastly, the psychological mechanism of surrender can be linked to the concept of self-transcendence, a term used in positive psychology to describe the process of going beyond the personal self to connect with something greater, whether it be a spiritual reality, nature, or humanity (Koltko-Rivera, 2006). Self-transcendence is often accompanied by experiences of awe, gratitude, and compassion, as the individual shifts from a self-focused perspective to one that is oriented toward the collective or the divine. In spiritual surrender, self-transcendence allows individuals to experience advanced states of consciousness characterized by feelings of oneness, interconnectedness, and unity with the universe. This psychological shift from self-centeredness to selflessness is a core aspect of many spiritual traditions and is seen as essential for achieving deep spiritual growth and transformation.
Stages and Experiences of Spiritual Surrender in Advanced Consciousness
Spiritual surrender in advanced consciousness unfolds in distinct stages, each characterized by unique psychological and emotional shifts. The initial stage is often marked by resistance, as individuals struggle with the idea of relinquishing control over their lives, identities, and personal desires. This resistance stems from deeply ingrained patterns of attachment and egoic identification. Psychologically, this can manifest as fear, anxiety, and a sense of loss, as the individual confronts the prospect of letting go of the known self (Wilber, 2000). This stage parallels the well-documented experience of existential crisis, where individuals face the limitations of their ego-driven existence and begin to question their deeper purpose and place in the universe (May, 1983). It is during this phase that individuals may experience inner conflict, grappling with the tension between their desire for control and their yearning for spiritual liberation.
The next stage is often described as a process of gradual letting go, where the individual begins to release their attachments to egoic desires and personal outcomes. This stage can be seen as an ongoing internal negotiation, where the individual surrenders piece by piece, slowly loosening their grip on the elements of their identity that no longer serve their spiritual growth (Tolle, 2004). In this phase, individuals may engage in practices such as meditation, prayer, or contemplation to cultivate the necessary psychological conditions for surrender. These practices help individuals develop an attitude of acceptance and non-attachment, essential for navigating the inner terrain of surrender. From a psychological standpoint, this gradual process mirrors the mechanisms of cognitive restructuring, where individuals learn to let go of dysfunctional beliefs and adopt more adaptive mental frameworks (Hayes et al., 1999).
The moment of full surrender is often described as a pivotal experience in the journey toward advanced consciousness. In this stage, the individual reaches a point of complete release, where they let go entirely of their need for control, attachment to identity, and personal will. This experience is often accompanied by profound feelings of peace, clarity, and unity with the larger universe or a divine presence (Huxley, 1954). Mystical literature frequently describes this moment as a “peak experience,” where the boundaries of the self dissolve, and the individual enters into a state of deep connection with all of existence (Maslow, 1964). Psychologically, this can be understood as a moment of transcendence, where the individual moves beyond the limitations of the ego and enters into an expanded state of consciousness, characterized by feelings of oneness, timelessness, and profound inner peace.
After this moment of full surrender, individuals typically enter a phase of integration, where they begin to incorporate the insights and transformations gained through surrender into their daily lives. This stage involves the assimilation of spiritual experiences into a new, more expansive sense of self and worldview. The individual must learn to live in alignment with the awareness gained during the surrender experience, often adopting new patterns of behavior, thought, and emotion that reflect their deeper understanding of interconnectedness and the impermanence of the ego (Underhill, 1993). The integration process is crucial, as it allows individuals to translate their transcendent experiences into practical wisdom and compassion in everyday life. From a psychological perspective, this phase resembles the process of post-traumatic growth, where individuals emerge from intense transformative experiences with a stronger sense of purpose, resilience, and emotional stability (Tedeschi & Calhoun, 2004).
The long-term effects of spiritual surrender can be profound, as individuals often report lasting changes in their psychological and emotional states. These changes may include a diminished sense of fear and anxiety, a greater capacity for love and compassion, and a deep sense of inner peace and equanimity. Research on advanced consciousness states suggests that individuals who undergo such experiences often exhibit increased well-being, enhanced psychological resilience, and a more meaningful engagement with life (Griffiths et al., 2011). In the long term, spiritual surrender can lead to a fundamental reorientation of one’s life, where the pursuit of material success and egoic fulfillment is replaced by a deeper commitment to spiritual growth, service to others, and living in alignment with the interconnected nature of existence. This stage represents the culmination of the surrender process, where the individual has fully integrated the transformative power of spiritual surrender into all aspects of their being.
The Role of Surrender in Psychospiritual Healing and Growth
Spiritual surrender plays a critical role in psychospiritual healing by facilitating the release of deeply ingrained psychological patterns, emotional wounds, and existential fears. Many individuals carry unresolved trauma, grief, or anxiety that remains trapped within the psyche, often resulting in psychological distress and dysfunction. Surrender allows individuals to let go of the need to control or suppress these experiences, opening the door to healing and transformation. From a therapeutic standpoint, spiritual surrender encourages the dissolution of the ego’s defense mechanisms, enabling individuals to confront their inner wounds with openness and compassion (Winkelman, 2010). This process of letting go is central to the healing journey, as it allows the individual to embrace their pain and suffering as part of a larger spiritual process, rather than something to be avoided or controlled.
The psychospiritual healing that occurs through surrender is closely related to the concept of acceptance, a key element in many therapeutic models, such as acceptance and commitment therapy (ACT) and mindfulness-based stress reduction (MBSR). In these approaches, individuals are encouraged to accept their thoughts, emotions, and experiences without judgment, allowing them to flow naturally rather than being resisted or suppressed (Hayes et al., 1999; Kabat-Zinn, 2003). Similarly, spiritual surrender involves a profound acceptance of the present moment and the recognition that control is often an illusion. By surrendering to what is, rather than striving for what could be, individuals experience a deep sense of inner peace and freedom from suffering. This acceptance facilitates emotional healing by reducing the struggle against painful experiences and fostering a deeper connection with the self and the present moment.
Moreover, spiritual surrender supports personal growth by promoting a shift from ego-driven motivations to a more expansive, spiritually oriented perspective. When individuals are no longer focused on maintaining control or achieving specific outcomes, they open themselves up to new possibilities for growth and transformation. In this way, surrender acts as a catalyst for psychospiritual development, allowing individuals to transcend their limited sense of self and access higher states of consciousness. The surrender process fosters qualities such as humility, gratitude, and compassion, as individuals become more attuned to the interconnectedness of all beings and the larger flow of life (Harris, 2011). As a result, spiritual surrender not only heals the wounds of the past but also supports ongoing personal evolution and the realization of one’s highest potential.
Spiritual surrender is also a key factor in navigating spiritual crises, sometimes referred to as spiritual emergencies. These crises often arise when individuals undergo intense spiritual experiences that challenge their sense of identity and reality, resulting in feelings of confusion, anxiety, and existential disorientation (Grof & Grof, 1989). In such moments, surrender can be a powerful tool for healing and integration, as it allows individuals to let go of their preconceived notions of self and reality, making room for new insights and a more expansive understanding of existence. By surrendering to the spiritual process, rather than resisting it, individuals are able to move through the crisis and emerge with a greater sense of clarity, purpose, and inner strength. Thus, surrender serves as a vital mechanism for navigating the complexities of psychospiritual growth during periods of intense transformation.
Finally, the role of spiritual surrender in psychospiritual healing extends beyond the individual to encompass relational and collective dimensions. Surrender helps individuals cultivate deeper compassion and empathy for others by dissolving the egoic boundaries that create a sense of separateness. As individuals become more attuned to the interconnectedness of all life, they are better able to form meaningful relationships and contribute to the healing and growth of their communities. This shift from self-centeredness to other-centeredness is a hallmark of many spiritual traditions, where surrender is seen as a pathway to service, love, and unity (Wilber, 2000). In this way, spiritual surrender facilitates not only personal healing and growth but also the cultivation of a more compassionate and interconnected world.
Applications in Contemporary Spiritual Practices
Spiritual surrender, long revered in religious traditions, has found a resurgence in contemporary spiritual practices, particularly within the frameworks of mindfulness, meditation, and holistic healing modalities. These practices often emphasize the importance of surrendering control over thoughts, emotions, and desires to achieve greater inner peace and alignment with the present moment. In mindfulness-based practices, for example, individuals are encouraged to adopt a non-judgmental awareness of their inner experiences, allowing thoughts and feelings to pass without resistance or attachment (Kabat-Zinn, 2003). This form of surrender enables individuals to release habitual patterns of mental and emotional control, fostering a deeper sense of ease and acceptance. In this context, surrender is not passive resignation but an active engagement in letting go, which cultivates inner balance and psychological well-being.
Meditation practices, particularly those focused on non-dual awareness, also integrate the concept of surrender as a path to transcending the ego and accessing higher states of consciousness. In practices such as Advaita Vedanta or Zen Buddhism, practitioners are guided to dissolve the boundaries of the self and surrender to the flow of consciousness, experiencing a sense of unity with the cosmos (Papaji, 2003). These meditative states are often characterized by moments of profound insight, where the distinction between subject and object disappears, leading to a direct experience of non-duality. Spiritual surrender, in this case, is essential for moving beyond the mind’s constant need for control and into deeper states of awareness. Through meditation, individuals learn to surrender their attachment to thoughts, self-identity, and sensory perceptions, opening themselves to the vastness of consciousness.
Breathwork practices, which have gained popularity in recent years, also highlight the role of surrender in spiritual growth. Techniques such as Holotropic Breathwork, developed by Stanislav Grof, aim to induce altered states of consciousness through controlled breathing patterns, facilitating deep emotional and spiritual release (Grof, 1993). During these sessions, participants often experience a profound sense of surrender, as the conscious mind relinquishes control and the body and psyche enter a state of heightened awareness. Breathwork practices help individuals access subconscious material, such as repressed emotions or unresolved trauma, allowing for deep healing and transformation. In this process, surrender becomes a key component of letting go of past emotional and psychological blockages, enabling spiritual and psychospiritual growth.
The role of spiritual teachers and guides in facilitating surrender has also become an important aspect of contemporary spiritual practice. In traditions such as yoga, meditation, and non-duality teachings, the presence of a teacher or guide can provide crucial support for individuals struggling to let go of their egoic tendencies. Teachers help practitioners navigate the challenges of surrender, offering insights and practices that encourage trust and openness in the spiritual process. Surrendering to the guidance of a teacher, or guru, is often viewed as an essential step in the spiritual journey, as it requires individuals to relinquish their personal will and trust in the wisdom of someone more experienced (Tolle, 2004). In many cases, this relationship fosters deeper spiritual growth by creating a space for the student to safely explore their inner world and confront the barriers to surrender.
In addition to these individual practices, contemporary spiritual movements such as the mindfulness movement and New Age spirituality have adopted the principle of surrender as a central component of personal and collective transformation. These movements emphasize the importance of surrendering to the flow of life and trusting in the unfolding of events, rather than trying to control or manipulate outcomes. This approach is often associated with the law of attraction, where surrender is seen as a way to align oneself with the natural flow of abundance and manifestation (Hicks & Hicks, 2006). While these contemporary applications may differ from traditional religious teachings, the underlying principle of spiritual surrender remains the same: letting go of the ego’s desire for control and opening oneself to a higher order of consciousness. By incorporating surrender into modern spiritual practices, individuals can experience profound personal transformation, healing, and a deeper sense of connection to the world around them.
Conclusion
Spiritual surrender is a profound and transformative process central to both individual psychospiritual healing and the attainment of advanced states of consciousness. Across spiritual traditions, surrender is portrayed as an essential step toward transcending the ego and connecting with a higher power or a more expansive understanding of reality. Whether framed in religious contexts such as Christianity and Sufism or within Eastern traditions like Hinduism and Buddhism, surrender consistently emphasizes the release of personal control, attachment, and egoic desires in favor of aligning with the divine or the greater flow of existence (Underhill, 1993; Schimmel, 1975). This practice serves as a gateway to spiritual growth, offering individuals the opportunity to transcend their limited self-identity and experience deep interconnectedness with the universe.
From a psychological perspective, spiritual surrender facilitates healing by encouraging individuals to confront and release deeply held fears, attachments, and traumas. The process of letting go allows individuals to break free from the ego’s defensive mechanisms, opening up pathways for emotional and psychological transformation (Kabat-Zinn, 2003). By surrendering, individuals gain access to deeper layers of consciousness, enabling the resolution of internal conflicts and the release of repressed emotions. Additionally, the psychological mechanisms of surrender—such as ego death, letting go, and acceptance—help individuals cultivate resilience and inner peace, fostering long-term emotional and spiritual well-being (Hayes et al., 1999). In this way, surrender acts as both a spiritual and therapeutic tool for healing and growth.
Spiritual surrender also plays a critical role in navigating periods of spiritual crisis, often referred to as spiritual emergencies. These crises, which involve intense shifts in consciousness and identity, can be destabilizing and disorienting for individuals. However, surrender enables individuals to move through these challenging experiences with greater ease and trust, allowing them to embrace the transformative potential of spiritual crises (Grof & Grof, 1989). By relinquishing the need for control and allowing the spiritual process to unfold naturally, individuals are better able to integrate the profound insights and shifts in awareness that arise during these crises. Thus, surrender is not only essential for personal healing but also for navigating the complex dynamics of spiritual transformation and growth.
In contemporary spiritual practices, the principle of surrender has been widely integrated into mindfulness, meditation, and holistic healing modalities. Practices such as mindfulness and meditation encourage individuals to surrender to the present moment, letting go of attachments to thoughts and emotions (Kabat-Zinn, 2003). Breathwork and other experiential practices help facilitate surrender by inducing altered states of consciousness that allow individuals to access deeper levels of healing and awareness (Grof, 1993). Furthermore, the guidance of spiritual teachers and the emphasis on surrender in movements such as the mindfulness movement highlight the relevance of this practice in modern spiritual life. By applying the concept of surrender to both individual and collective healing, contemporary spiritual practices offer new opportunities for growth, resilience, and connection.
In conclusion, spiritual surrender remains a timeless and universal practice that holds immense potential for healing, growth, and the attainment of advanced states of consciousness. Whether through traditional religious frameworks or modern spiritual practices, surrender enables individuals to transcend the limitations of the ego, access deeper levels of awareness, and experience a profound sense of connection with the world. By embracing the process of letting go and releasing attachment to control, individuals can transform their psychological and spiritual lives, leading to greater well-being and fulfillment. As a cornerstone of both ancient and contemporary spiritual practice, surrender continues to serve as a powerful tool for personal and collective transformation.
Bibliography
- Barks, C. (1995). The Essential Rumi. HarperOne.
- Carhart-Harris, R. L., et al. (2014). The entropic brain: A theory of conscious states informed by neuroimaging research with psychedelic drugs. Frontiers in Human Neuroscience, 8, 20.
- Dalai Lama. (1997). The Four Noble Truths. Thorsons.
- Griffiths, R. R., Johnson, M. W., Richards, W. A., McCann, U., & Jesse, R. (2011). Psilocybin occasioned mystical-type experiences: Immediate and persisting dose-related effects. Psychopharmacology, 218(4), 649-665.
- Grof, S. (1993). The Holotropic Mind: The Three Levels of Human Consciousness and How They Shape Our Lives. HarperCollins.
- Grof, S., & Grof, C. (1989). Spiritual Emergency: When Personal Transformation Becomes a Crisis. Tarcher.
- Harris, M. (2011). The End of Faith: Religion, Terror, and the Future of Reason. W. W. Norton & Company.
- Hayes, S. C., Strosahl, K. D., & Wilson, K. G. (1999). Acceptance and Commitment Therapy: An Experiential Approach to Behavior Change. The Guilford Press.
- Hicks, E., & Hicks, J. (2006). The Law of Attraction: The Basics of the Teachings of Abraham. Hay House.
- Huxley, A. (1954). The Doors of Perception. Harper & Brothers.
- James, W. (2004). The Varieties of Religious Experience. Barnes & Noble Books.
- Kabat-Zinn, J. (2003). Mindfulness-Based Interventions in Context: Past, Present, and Future. Clinical Psychology: Science and Practice, 10(2), 144-156.
- Kastrup, B. (2018). The Idea of the World: A Multi-Disciplinary Argument for the Mental Nature of Reality. Iff Books.
- Koltko-Rivera, M. E. (2006). Rediscovering the later version of Maslow’s hierarchy of needs: Self-transcendence and opportunities for theory, research, and unification. Review of General Psychology, 10(4), 302-317.
- Maslow, A. H. (1964). Religions, Values, and Peak Experiences. Ohio State University Press.
- May, R. (1983). The Discovery of Being: Writings in Existential Psychology. W. W. Norton & Company.
- Papaji, H. W. L. (2003). The Truth Is: Transcend the Illusion. Weiser Books.
- Prabhupada, A. C. Bhaktivedanta Swami. (1972). Bhagavad-gītā As It Is. Bhaktivedanta Book Trust.
- Schimmel, A. (1975). Mystical Dimensions of Islam. University of North Carolina Press.
- Tedeschi, R. G., & Calhoun, L. G. (2004). Posttraumatic growth: Conceptual foundations and empirical evidence. Psychological Inquiry, 15(1), 1-18.
- Tolle, E. (2004). The Power of Now: A Guide to Spiritual Enlightenment. New World Library.
- Underhill, E. (1993). Mysticism: A Study in the Nature and Development of Spiritual Consciousness. Oxford University Press.
- Vollenweider, F. X., & Kometer, M. (2010). The neurobiology of psychedelic drugs: Implications for the treatment of mood disorders. Nature Reviews Neuroscience, 11(9), 642-651.
- Wilber, K. (2000). Integral Psychology: Consciousness, Spirit, Psychology, Therapy. Shambhala Publications.
- Winkelman, M. (2010). Shamanism: A Biopsychosocial Paradigm of Consciousness and Healing. Praeger.