This reflection focuses on an unpublished Czech translation of Alexis Carrel's work "On Prayer," produced in 1945 by Dr. František Marek. The author of the document details the process of comparing this historical translation with the original French version and critically evaluates the potential for its future publication. Although Carrel's text is heavily influenced by period religiosity and an uncritical acceptance of religious concepts, the author discovers significant expressive value within it. This value lies primarily in the analysis of unspoken assumptions that allow religiosity to be viewed as a manifestation and a response to something far more profound and fundamental in human nature than religion itself. The text does not merely serve as a commentary on a translation but offers a deeper philosophical insight into the nature of faith and human experience. The document emphasizes that, despite its specific spiritual orientation, this historical text could be a valuable contribution to understanding the broader connections between human existence and its spiritual expressions in the post-war context, provided it is approached with a focus on its underlying ontological origins.