This article consists of excerpts from the Fourth Annual Henri Hyvernat Lecture, delivered by the present writer on March 26, 2015, at the Catholic University of America in Washington, D.C. An extended version of the lecture honoring Hyvernat’s memory and discussing Coptic literature in greater detail will be published in Leo Depuydt, “The Literature of the Copts and the Contributions of Monsignor Hyvernat to the Study of the Subject (Fourth Annual Henri Hyvernat Lecture),” Advances in Historical Studies 4 (2015), pp. 320–335 (doi: 10.4236/ahs.2015.44022).