Forgiveness keeps a crucial role in the teachings of ACIM. Unlike conventional notions of forgiveness, which frequently include pardoning the perceived wrongdoings of the others, ACIM's forgiveness is a procedure of issuing judgments and issues held against oneself and others. It is just a recognition that the observed sins and problems are seated in the illusions of the vanity, and through forgiveness, one can see beyond these illusions to the inherent innocence and divinity in most being. ACIM teaches that forgiveness is really a road to inner peace and the key to undoing the ego's hold on tight the mind.

The Book for Pupils, comprising 365 classes, is a practical manual built to lead the scholar via a transformative process. Each session focuses on a a course in miracles  concept, guiding the practitioner to utilize the teachings in their day-to-day lives. The instructions protect a wide variety of topics, including understanding, forgiveness, enjoy, and the character of reality. The repetitive nature of the Book is intentional, reinforcing the proven fact that consistent exercise is essential for the change of consciousness.

A Class in Miracles also introduces the thought of the Sacred Spirit as helpful tips and intermediary between the egoic mind and the true Self. The Holy Heart is portrayed as a caring and nonjudgmental internal style that assists persons reinterpret their activities and perceptions in stance with truth. ACIM encourages a consistent debate with the Sacred Nature, seeking guidance and wisdom in every areas of life.

Among the special facets of ACIM is their use of Christian terminology and symbolism, that might originally lead some to label it as a Christian text. But, the course transcends old-fashioned spiritual boundaries and speaks to the common axioms of spirituality. ACIM attracts people from all faiths (or none) to embark on a trip of self-discovery and inner change, emphasizing personal experience around dogma.