“The new commandment is that, it's a sin to disbelieve in yourself.”

“Don't discuss yourself, for you are bound to lose; if you belittle yourself, you are believed; if you praise yourself, you are disbelieved.”

“Francis had always been ecumenical in his atheism. He was as prepared to disbelieve in this Tolca character as he was to disbelieve in Yahweh, Jesus, Buddha, Vishnu, or any of the other words for what his father used to call “forcing yourself to misperceive the obvious.””

“He who, when he may, forbids not sin, commands it.”
Qui non vetat peccare cum possit, iubet.

“The greatest sin is to think yourself weak”

“Sin lies only in hurting other people unnecessarily. All other "sins" are invented nonsense. (Hurting yourself is not sinful -- just stupid.)”

“To regret your sins of commission as much as your sins of omission is to prove yourself a most unworthy sinner.”

“She keeps trying and you’ve got to be careful or you’ll find yourself believing her, not because she seems to be telling the truth, but simply because you’re tired of disbelieving her.”

“Revolution consists not in the new class commanding, governing with the aid of the old state machine, but in this class smashing this machine and commanding, governing with the aid of a new machine.”

“When you are guilty, it is not your sins you hate but yourself.”