Date: 413-427

"And this grand and wonderful instinct belongs to men alone of all animals; for, though some of them have keener eyesight than ourselves for this world's light, they cannot attain to that spiritual light with which our mind is somehow irradiated, so that we can form right judgments of all things."

— St. Augustine (354-430)

Date: w. c. 54-8, trans. 1611

The heart may be darkened

— Paul of Tarsus (b.c. 10, d.c. 67)