At the primary of A Class in Wonders is a non-denominational method of spirituality that encourages pupils to question their preconceived notions about reality, the self, and the world. The writing is split into three components: the Text, the Book for Students, and the Guide for Teachers, each supplying a different perception on the substance presented. The primary teachings of ACIM can be distilled in to a few critical principles.

One of the central styles of ACIM is the thought of forgiveness. The Class teaches that forgiveness is not merely pardoning some body because of their wrongdoings, but instead, it is the recognition that there surely is nothing to forgive. It asserts that what we understand as wrongdoings are fundamentally the result of our own misperceptions and projections. In forgiving the others, we are, in reality, forgiving ourselves. ACIM emphasizes that forgiveness is just a path to internal peace and liberation from the burdens of resentment and anger.

Another fundamental theory of A Class in Miracles is the proven fact that the bodily earth can be an illusion. It posits our physical experiences are unreliable signs of truth and that correct belief can only be achieved via a shift in consciousness. The Course  david hoffmeister distinguishes involving the "real world," which is a state of peace and oneness beyond the product sphere, and the "vanity world," indicated by fear, separation, and conflict. Based on ACIM, our major purpose is to awaken from the desire of the confidence world and go back to the understanding of our divine nature.

ACIM also introduces the thought of the Holy Soul as helpful tips and instructor within the individual. That religious existence is observed as the source of enthusiasm and wisdom, supporting people produce possibilities that cause people closer to reality and away from illusion. The Course teaches that through our readiness to hear the Sacred Spirit's guidance, we can accessibility a further understanding of our function and the road to healing.