Another fundamental concept of A Class in Wonders is the proven fact that the bodily world is an illusion. It posits our sensory experiences are unreliable signs of truth and that true belief can only be achieved through a shift in consciousness. The Course distinguishes involving the "real life," which is really a state of peace and oneness beyond the substance realm, and the "confidence earth," indicated by concern, divorce, and conflict. According to ACIM, our principal purpose would be to awaken from the dream of the ego world and come back to the understanding of our divine nature.

ACIM also presents the thought of the Sacred Soul as helpful tips and instructor within the individual. This religious presence is observed as the foundation of motivation and wisdom, supporting a course in miracles us produce choices that cause people closer to truth and away from illusion. The Course teaches that through our readiness to listen to the Sacred Spirit's guidance, we can access a deeper understanding of our purpose and the road to healing.

The Workbook for Pupils in A Course in Wonders consists of 365 lessons, one for every day of the year. These lessons are created to support pupils internalize the teachings and apply them to their day-to-day lives. They frequently include meditative and contemplative exercises, affirmations, and insights on the methods presented in the text. The purpose of these everyday lessons would be to shift the student's belief and mindset gradually, leading them towards a state of correct forgiveness, internal peace, and religious awakening.

The Manual for Educators, the 3rd element of ACIM, is aimed at those who have embraced the principles of the Course and sense required to share them with others. It provides guidance on the characteristics of a true teacher of God, focusing features such as for instance patience, confidence, and an open heart. It acknowledges the problems and obstacles one might encounter while teaching the Course and offers insights on the best way to navigate them.