At the key of A Program in Wonders is a non-denominational approach to spirituality that encourages students to problem their preconceived notions about reality, the home, and the world. The writing is split into three elements: the Text, the Book for Pupils, and the Handbook for Educators, each offering a different perception on the product presented. The key teachings of ACIM could be distilled in to several crucial principles.

Among the central styles of ACIM is the idea of forgiveness. The Class teaches that forgiveness is not just pardoning somebody because of their wrongdoings, but rather, it's the recognition that advanced acim teacher there surely is nothing to forgive. It asserts that what we comprehend as wrongdoings are fundamentally the result of our own misperceptions and projections. In flexible the others, we are, in fact, forgiving ourselves. ACIM emphasizes that forgiveness is just a way to internal peace and liberation from the burdens of resentment and anger.

Still another fundamental theory of A Program in Miracles is the proven fact that the bodily earth is an illusion. It posits which our physical activities are unreliable signals of truth and that correct belief can just only be performed through a shift in consciousness. The Class distinguishes involving the "real world," which is a state of peace and oneness beyond the substance region, and the "pride world," characterized by fear, divorce, and conflict. In accordance with ACIM, our principal purpose would be to awaken from the dream of the ego earth and return to the recognition of our heavenly nature.

ACIM also presents the thought of the Holy Spirit as helpful information and teacher within the individual. This spiritual existence is seen as the source of creativity and knowledge, supporting people make choices that cause us nearer to truth and away from illusion. The Class shows that through our willingness to hear the Sacred Spirit's advice, we could accessibility a further understanding of our function and the way to healing.