A Course in Miracles (ACIM), often simply referred to as "the Course," is a remarkable spiritual volume designed to usher the student into a consistent, experiential state of peace and happiness. It is not merely a book to be read, but a comprehensive self-study program. Its origins, chronicled on its publication, involve a sudden decision by two medical psychology professors to join in a common goal, demonstrating that profound spiritual transformation is possible for anyone, regardless of their initial investment in the values of the world. ACIM is a symbol that appears in awareness to the mind calling for healing, providing a clear and practical approach to moving beyond abstract concepts and into true experience.

The Course is structured meticulously across three main components: the Text, the Workbook for Students, and the Manual for Teachers. The 622-page Text lays the conceptual foundation, outlining a complete, non-dualistic metaphysics. Following this, the Workbook offers 365 practical lessons, designed for daily application. Students are encouraged to apply these ideas to the best of their ability without making exceptions, allowing the practical experience to deepen their understanding of the theoretical framework. Finally, the Manual for Teachers provides a glossary-style "Clarification of Terms" and a series of questions and answers to help solidify and apply the concepts learned. The integration of this volume of material—from theoretical understanding to practical, daily mind-training—is a profound undertaking.

While the solitary study of acim is the prescribed method, many find that the world's constant input and distractions make deep, consistent application challenging. This is the primary reason that acim retreats have become an indispensable resource for committed students. An acim retreats setting provides the necessary environment to truly pause the routine demands of life and dedicate the mind fully to the purpose of the Course: healing and the experience of forgiveness.

These retreats offer a structured, intensive immersion, allowing the student to move past intellectualization and into the practical, lived experience of the Course's teachings. By stepping away from the familiar ego-driven conflicts and concerns, a retreat allows for an accelerated pace of spiritual growth. Participants are surrounded by like-minded individuals and often guided by experienced facilitators, such as David Hoffmeister, whose teachings focus on the practical, non-compromising application of the Course's principles. This guidance ensures that the student is pointed directly to the experience that transcends concepts, helping them apply the lessons to every situation that arises in the retreat environment.

Attending acim retreats transforms the principles from intellectual ideas on a page to realized truth in the moment. It is in this focused environment that the Course’s supplements, like Psychotherapy: Purpose, Process and Practice and The Song of Prayer, can be most effectively integrated, providing further application of the teachings in relation to healing and prayer. The collective focus and supportive atmosphere enhance the "little willingness" that the Course emphasizes is sufficient to allow for the Holy Spirit's guidance. Ultimately, the choice to attend acim retreats is a powerful affirmation of one's commitment to the goal of ACIM: the attainment of a consistent, unshakeable state of peace and happiness.