Histories
Herodotus
Herodotus. Godley, Alfred Denis, translator. Cambridge, MA; London: Harvard University Press; William Heinemann, Ltd., 1920-1925 (printing).
Furthermore, it was the Egyptians who first made it a matter of religious observance not to have intercourse with women in temples or to enter a temple after such intercourse without washing. Nearly all other peoples are less careful in this matter than are the Egyptians and Greeks, and consider a man to be like any other animal;