It will be admitted that our knowledge of Christian antiquity has been very considerably enriched by these literary and non-literary Christian papyri from Egypt. Our subject, however, is chiefly concerned with the non-Christian texts and the great indirect value that they possess for Bible students.

Adolf Deissmann, Light from the Ancient East: The New Testament Illustrated by Recently Discovered Texts of the Graeco-Roman World, trans. Lionel R. M. Strachan, 48.