Still another simple concept of A Class in Wonders is the proven fact that the physical world is an illusion. It posits that our sensory activities are unreliable indicators of fact and that correct understanding can only be performed through a change in consciousness. The Class distinguishes involving the "real life," which is really a state of peace and oneness beyond the substance realm, and the "pride earth," indicated by concern, separation, and conflict. According to ACIM, our main function is always to awaken from the dream of the vanity world and go back to the awareness of our heavenly nature.

ACIM also presents the idea of the Sacred Heart as helpful information and teacher within the individual. This spiritual a course in miracles presence sometimes appears as the origin of inspiration and wisdom, supporting us make possibilities that lead people closer to truth and from illusion. The Class teaches that through our willingness to hear the Sacred Spirit's guidance, we are able to access a greater understanding of our function and the way to healing.

The Book for Pupils in A Program in Wonders consists of 365 lessons, one for every time of the year. These instructions are made to help pupils internalize the teachings and use them to their day-to-day lives. They usually contain meditative and contemplative workouts, affirmations, and reflections on the methods presented in the text. The objective of these everyday classes would be to shift the student's understanding and mind-set steadily, leading them towards a situation of correct forgiveness, internal peace, and religious awakening.

The Guide for Educators, the third part of ACIM, is directed at those who have embraced the axioms of the Course and feel required to generally share them with others. It offers advice on the traits of a real instructor of God, emphasizing qualities such as for instance patience, confidence, and an start heart. It acknowledges the challenges and obstacles one might encounter while teaching the Course and offers insights on how to navigate them.