A Course in Wonders, usually abbreviated as ACIM, is just a profound and powerful religious text that emerged in the latter half the 20th century. Comprising over 1,200 pages, that extensive work is not really a book but an entire program in spiritual change and inner healing. A Course in Wonders is exclusive in their method of spirituality, drawing from numerous spiritual and metaphysical traditions to present a system of believed that seeks to lead people to a situation of internal peace, forgiveness, and awakening with their true nature.

The beginnings of A Course in Miracles can be traced back to the relationship between two individuals, Helen Schucman and Bill Thetford, both of whom were prominent psychologists and researchers. The course's inception occurred in the early 1960s when Schucman, who was a course in miracles a scientific and study psychologist at Columbia University's University of Physicians and Surgeons, began to see a series of internal dictations. She described these dictations as via an internal voice that discovered it self as Jesus Christ. Schucman originally resisted these experiences, but with Thetford's encouragement, she began transcribing the messages she received.

Over a period of eight years, Schucman transcribed what might become A Course in Wonders, amounting to three sizes: the Text, the Workbook for Students, and the Information for Teachers. The Text lays out the theoretical basis of the course, elaborating on the key methods and principles. The Workbook for Students includes 365 lessons, one for every single time of the season, designed to guide the audience via a day-to-day training of using the course's teachings. The Handbook for Educators offers further advice on how best to realize and teach the concepts of A Course in Miracles to others.

One of many main themes of A Class in Miracles is the thought of forgiveness. The class shows that correct forgiveness is the key to internal peace and awareness to one's divine nature. According to its teachings, forgiveness isn't only a moral or honest training but a simple shift in perception. It requires letting get of judgments, grievances, and the understanding of crime, and instead, seeing the planet and oneself through the lens of love and acceptance. A Program in Miracles highlights that true forgiveness contributes to the recognition that we are all interconnected and that divorce from each other is an illusion.