From a mental viewpoint, the origins of ACIM increase questions about its validity. Helen Schucman, the primary scribe of the writing, stated that the language were determined to her by an internal style she identified as Jesus. This process of receiving the text through inner dictation, called channeling, is usually achieved with skepticism. Experts argue that channeling could be recognized as a mental phenomenon rather than a true spiritual revelation. Schucman herself was a clinical psychologist, and some declare that the voice she noticed might have been a manifestation of her subconscious mind rather than an additional heavenly entity. Additionally, Schucman stated ambivalence about the task and its roots, sometimes wondering its authenticity herself. That ambivalence, along with the method of the text's party, portrays doubt on the legitimacy of ACIM as a divinely encouraged scripture.

This content of ACIM also invites scrutiny from a philosophical angle. The course shows that the entire world we comprehend with this senses is an illusion and that our correct reality lies beyond this bodily realm. That idealistic view, which echoes particular Eastern ideas, problems the materialistic and empirical  a course in miracles foundations of Western thought. Critics argue that the claim that the physical world is definitely an dream isn't substantiated by empirical evidence and runs table to the clinical process, which relies on visible and measurable phenomena. The idea of an illusory earth might be powerful as a metaphor for the distortions of notion caused by the confidence, but as a literal assertion, it lacks the scientific help necessary to be described as a legitimate illustration of reality.

Moreover, the sensible software of ACIM's teachings may be problematic. The class advocates for a radical kind of forgiveness, indicating that most issues are illusions and must be neglected in favor of realizing the inherent unity of beings. Whilst the practice of forgiveness can certainly be healing and major, ACIM's method might lead persons to restrain genuine feelings and ignore actual injustices. By framing all bad experiences as illusions created by the confidence, there's a threat of minimizing or invalidating the existed activities of enduring and trauma. This perception can be especially harmful for persons coping with critical issues such as punishment or oppression, as it can suppress them from seeking the required help and interventions.

Yet another level of argument is the way in which ACIM has been advertised and commercialized. Since its book, ACIM has spawned a significant business of workshops, seminars, and supplementary materials. Experts fight that commercialization undermines the religious strength of the teachings, turning what's supposed to be always a sacred text right into a profit-driven enterprise. The growth of ACIM-related services and products and solutions has led some to problem the motivations behind their campaign and the credibility of those that maintain to instruct their principles. This professional part can create a barrier to genuine religious exploration, as individuals may be more centered on purchasing another book or attending the next workshop as opposed to interesting profoundly with the teachings themselves.