Wisdom 6:21

“Accordingly, he says: “Now you have certainly defined as naturally evil this concupiscence which is indispensable for fecundity; whence comes it, therefore, that it is aroused in aged men by the gift of Heaven?” — editor's note: Wisd. vi. 21. The word in the Latin Bible in both cases is “concupiscentia.”

“I never said, “There would be no concupiscence,” because there is a concupiscence of the spirit, which craves wisdom.” — editor's note: Wisd. vi. 21.