"My principles are not those of the world, but they are those of nature."

"What are all the pleasures of the senses compared to the infinite joys of the spirit?"

"My manner of thinking, so you say, cannot be approved. Do you suppose I care? A poor fool indeed is he who adopts a manner of thinking for others!"

"Cruelty, very far from being a vice, is the first sentiment Nature injects in us all."

"After demonstrating that theism is unsuitable for a republican government, I find it crucial to prove that French morals are likewise inappropriate."