From the emotional perspective, the roots of ACIM raise questions about its validity. Helen Schucman, the primary scribe of the writing, said that the language were determined to her by an inner voice she recognized as Jesus. This technique of receiving the writing through internal dictation, referred to as channeling, is usually achieved with skepticism. Authorities disagree that channeling can be recognized as a mental phenomenon rather than a real religious revelation. Schucman herself was a medical psychologist, and some suggest that the style she seen may have been a manifestation of her subconscious brain rather than an external heavenly entity. Also, Schucman expressed ambivalence about the work and their origins, often questioning their authenticity herself. This ambivalence, in conjunction with the technique of the text's reception, portrays uncertainty on the legitimacy of ACIM as a divinely encouraged scripture.

This content of ACIM also attracts scrutiny from the philosophical angle. The course teaches that the entire world we see with this feelings can be an illusion and which our correct reality lies beyond that bodily realm. That idealistic view, which echoes specific Eastern philosophies, issues the materialistic and empirical foundations of European thought. Critics argue  acim  that the declare that the bodily world is definitely an impression 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 world might be convincing as a metaphor for the disturbances of notion due to the confidence, but as a literal assertion, it lacks the empirical support necessary to be described as a valid representation of reality.

Moreover, the practical program of ACIM's teachings may be problematic. The class advocates for a significant kind of forgiveness, suggesting that all issues are illusions and ought to be ignored and only recognizing the natural unity of beings. As the practice of forgiveness can indeed be healing and major, ACIM's strategy might cause people to curb genuine emotions and ignore actual injustices. By surrounding all negative activities as illusions developed by the vanity, there's a risk of minimizing or invalidating the lived activities of suffering and trauma. That perception can be especially hazardous for persons working with significant dilemmas such as for example punishment or oppression, as it may decrease them from seeking the mandatory help and interventions.

Another place of rivalry is the way ACIM has been marketed and commercialized. Since their book, ACIM has spawned a significant industry of workshops, seminars, and supplementary materials. Authorities disagree this commercialization undermines the spiritual strength of the teachings, turning what's supposed to become a holy text into a profit-driven enterprise. The growth of ACIM-related items and services has led some to question the motivations behind their campaign and the credibility of those who claim to show its principles. This industrial element can produce a barrier to real spiritual exploration, as people may be much more focused on buying another guide or joining the next seminar as opposed to engaging deeply with the teachings themselves.