Still another fundamental principle of A Class in Wonders is the idea that the bodily world can be an illusion. It posits that our physical activities are unreliable indicators of fact and that correct understanding can just only be performed by way of a change in consciousness. The Class distinguishes involving the "real life," which is really a state of peace and oneness beyond the substance sphere, and the "ego earth," indicated by concern, separation, and conflict. According to ACIM, our major function is to wake from the desire of the vanity earth and go back to the attention of our heavenly nature.

ACIM also introduces the thought of the Holy Nature as helpful information and teacher within the individual. That spiritual presence is seen as the foundation of motivation and knowledge, helping people produce choices that lead us closer to truth and far from illusion. The Program shows that a course in miracles our readiness to listen to the Holy Spirit's advice, we are able to access a further comprehension of our purpose and the road to healing.

The Workbook for Students in A Class in Miracles includes 365 classes, one for each day of the year. These classes are created to support students internalize the teachings and use them with their daily lives. They frequently include meditative and contemplative workouts, affirmations, and reflections on the concepts shown in the text. The goal of these daily instructions is always to shift the student's understanding and mind-set gradually, major them towards a state of correct forgiveness, internal peace, and religious awakening.

The Handbook for Teachers, the third component of ACIM, is aimed at those people who have embraced the principles of the Course and sense forced to generally share them with others. It offers guidance on the traits of a genuine teacher of God, emphasizing qualities such as patience, trust, and an start heart. It acknowledges the difficulties and limitations one might encounter while training the Class and presents insights on how best to understand them.