From a mental perspective, the roots of ACIM increase issues about their validity. Helen Schucman, the primary scribe of the text, said that the words were formed to her by an inner voice she identified as Jesus. This technique of obtaining the writing through inner dictation, called channeling, is frequently met with skepticism. Authorities disagree that channeling may be recognized as a psychological sensation rather than genuine spiritual revelation. Schucman himself was a medical psychiatrist, and some declare that the voice she noticed could have been a manifestation of her subconscious mind as opposed to an additional heavenly entity. Also, Schucman expressed ambivalence about the job and its beginnings, sometimes questioning their authenticity herself. That ambivalence, coupled with the method of the text's reception, casts uncertainty on the legitimacy of ACIM as a divinely inspired scripture.

The information of ACIM also attracts scrutiny from the philosophical angle. The class teaches that the planet we comprehend with your senses is an dream and which our correct reality lies beyond this bodily realm. This idealistic see, which echoes specific Western philosophies, issues the materialistic and scientific foundations a course in miracles app​ of European thought. Critics disagree that the declare that the physical world can be an illusion isn't substantiated by empirical evidence and goes table to the medical approach, which depends on visible and measurable phenomena. The idea of an illusory world might be persuasive as a metaphor for the distortions of perception caused by the confidence, but as a literal assertion, it lacks the scientific help necessary to be considered a valid representation of reality.

Furthermore, the useful application of ACIM's teachings could be problematic. The course advocates for a revolutionary kind of forgiveness, suggesting that all grievances are illusions and should be overlooked in favor of recognizing the inherent unity of most beings. As the exercise of forgiveness can certainly be therapeutic and major, ACIM's method may possibly cause individuals to curb legitimate thoughts and ignore true injustices. By framing all bad activities as illusions produced by the confidence, there is a threat of minimizing or invalidating the lived experiences of suffering and trauma. That perspective can be particularly hazardous for people coping with significant issues such as punishment or oppression, as it can decrease them from seeking the necessary support and interventions.

Still another level of contention is just how ACIM has been sold and commercialized. Since its book, ACIM has spawned an important market of workshops, seminars, and supplementary materials. Experts fight that commercialization undermines the religious integrity of the teachings, turning what's proposed to become a holy text in to a profit-driven enterprise. The proliferation of ACIM-related services and products and solutions has light emitting diode some to problem the motivations behind its campaign and the credibility of people who state to teach their principles. This professional part can create a buffer to genuine spiritual exploration, as individuals may become more centered on buying another guide or joining another class as opposed to interesting profoundly with the teachings themselves.