[1] Under his wife's influence, Upton became interested in the metaphysics of the Traditionalist or Perennialist School (the followers of Rene Guenon, Ananda Coomaraswamy and Frithjof Schuon).
[8] The reviewer "admires Upton's love for the Prophet and understands his commitment to Sufism", but concludes that "a systematic and analytic treatment of this issue along with a classical approach to exegeses of Qur'anic verses would have greatly enhanced the scope of this work.
Nonetheless, readers will find much to reflect on in the author's comments and poems, and his attractive style does manage to make the book palatable to read, albeit not so easy to analyze.
"[8] Writing about The Words of God to Prophet Muhammad, in the American Journal of Islam and Society in 2017, Shabbir A. Abbas is critical of the third and final part of the book which consists of commentaries on the preceding sayings (aḥādīth), by Upton (who is also a Sufi mystic).
When combined with the Arabic and Morrow’s translation, the text becomes rather long-winded," and that, the sayings being "rather lengthy and advisory in nature, not to mention self-explanatory, there is little need to try and derive any esoteric meaning for them.
"[9][n 1] Reacting to Upton's YouTube video entitled "The Psychic and Spiritual Dangers of AI", Carlos Perona Calvete wrote in The European Conservative that "this video provides the most thorough understanding of AI and contemporary 'big data' crunching technology from a spiritual perspective I have encountered" and calling it "a delineation of relevant concepts so penetrating as to deserve canonical status in the analysis of, and resistance to, the denaturing developments of post-modern global civilization.