The sources of A Class in Wonders could be tracked back once again to the venture between two persons, Helen Schucman and William Thetford, both of whom were prominent psychologists and researchers. The course's inception happened in early 1960s when Schucman, who was a clinical and research psychologist at Columbia University's School of Physicians and Surgeons, began to experience a series of inner dictations. She described these dictations as coming from an internal voice that recognized it self as Jesus Christ. Schucman originally resisted these activities, but with Thetford's inspiration, she began transcribing the communications she received.

Around an amount of eight decades, Schucman transcribed what can become A Class in Wonders, amounting to three sizes: the Text, the Book for Students, and the Handbook for Teachers. The Text lies out the a course in miracles  basis of the program, elaborating on the core methods and principles. The Book for Pupils contains 365 lessons, one for every time of the season, designed to steer the reader by way of a day-to-day training of using the course's teachings. The Handbook for Teachers provides more guidance on how to understand and show the principles of A Course in Miracles to others.

Among the central subjects of A Program in Miracles is the idea of forgiveness. The program teaches that correct forgiveness is the key to inner peace and awakening to one's heavenly nature. Based on its teachings, forgiveness isn't merely a moral or moral training but a basic change in perception. It requires letting go of judgments, grievances, and the understanding of sin, and instead, viewing the world and oneself through the contact of enjoy and acceptance. A Course in Miracles stresses that correct forgiveness leads to the acceptance that individuals are typical interconnected and that separation from one another can be an illusion.

Another substantial part of A Program in Wonders is their metaphysical foundation. The class gift ideas a dualistic view of truth, unique between the confidence, which shows separation, concern, and illusions, and the Sacred Heart, which symbolizes love, reality, and spiritual guidance. It shows that the confidence is the origin of suffering and conflict, whilst the Holy Heart provides a pathway to therapeutic and awakening. The target of the course is to help individuals transcend the ego's restricted perspective and arrange with the Holy Spirit's guidance.