"Properly read, the Bible is the most potent force for atheism ever conceived."
(pg 316, Yours, Isaac Asimov, edited by Stanley Asimov
The letter quoted, and we're not told who it's to:
22 Feb 1966
"I'm working on my Bible book. I've just reached the part where the Israelites have been seduced into apostasy by the Moabite women (in the Book of Numbers), and Moses gets all self-righteous about the wickedness of the women who deliberately seduced the poor, innocent Israelites (except that Moses ordered the slaughter of all the Israelites without mercy.)