“Man is a work of nature; he exists in nature; he is submitted to her laws; he cannot deliver himself from them; nor can he step beyond them even in thought.”

“Life is a tragedy when seen in close-up, but a comedy in long-shot.”

“Courage is the most important of all the virtues because without courage, you can't practice any other virtue consistently.”

“To live is the rarest thing in the world. Most people exist, that is all.”

“This is the best of all possible worlds.”