"I wouldn't be a very spiritual man, right? I don't believe in God, right? Still Catholic. Because there's nothing you can do when you're Catholic. Once you've started Catholic, frankly, there's no real way to stop being Catholic. Even not believing in God isn't regarded as sufficient reason to get out of the Catholic church. You'd think it'd be fairly fundamental to the whole thing, but no. Catholicism: the stickiest, most adhesive religion in the world."
January 1, 1970
https://en.wikiquote.org/wiki/Lapsed_Catholic