A Course in Wonders, usually abbreviated as ACIM, is really a profound and influential spiritual text that surfaced in the latter 50% of the 20th century. Comprising over 1,200 pages, that extensive work is not just a book but an entire course in religious transformation and internal healing. A Program in Wonders is exclusive in its method of spirituality, drawing from different religious and metaphysical traditions to present something of believed that aims to lead persons to a situation of inner peace, forgiveness, and awakening with their true nature.

The beginnings of A Class in Wonders may be followed back to the collaboration between two persons, Helen Schucman and William Thetford, both of whom were acim lesson 1 distinguished psychologists and researchers. The course's inception occurred in the early 1960s when Schucman, who was a medical and study psychologist at Columbia University's University of Physicians and Surgeons, began to see some internal dictations. She explained these dictations as originating from an inner voice that discovered it self as Jesus Christ. Schucman originally resisted these experiences, but with Thetford's support, she started transcribing the communications she received.

Over an amount of eight decades, Schucman transcribed what might become A Program in Wonders, amounting to three volumes: the Text, the Workbook for Students, and the Guide for Teachers. The Text lies out the theoretical base of the course, elaborating on the key methods and principles. The Book for Students contains 365 classes, one for each day of the season, developed to steer the reader via a day-to-day exercise of applying the course's teachings. The Manual for Teachers offers more advice on the best way to realize and show the axioms of A Program in Miracles to others.

Among the main subjects of A Course in Miracles is the thought of forgiveness. The program teaches that correct forgiveness is the main element to internal peace and awareness to one's divine nature. In accordance with its teachings, forgiveness isn't only a moral or ethical practice but a fundamental shift in perception. It involves allowing go of judgments, grievances, and the perception of crime, and alternatively, viewing the planet and oneself through the lens of love and acceptance. A Class in Miracles emphasizes that correct forgiveness contributes to the recognition that individuals are interconnected and that divorce from one another is an illusion.