Genius has no youth, but starts with the ripeness of age and old experience.

It is easier for a cannibal to enter the Kingdom of Heaven through the eye of a rich man's needle that it is for any other foreigner to read the terrible German script.

The secret source of humor is not joy but sorrow.

Sometimes my feelings are so hot that I have to take the pen and put them out on paper to keep them from setting me afire inside; then all that ink and labor are wasted because I can't print the results

There's nobody for me to attack in this matter even with soft and gentle ridicule-and I shouldn't ever think of using a grown up weapon in this kind of a nursery. Above all, I couldn't venture to attack the clergymen whom you mention, for I have their habits and live in the same glass house which they are occupying. I am always reading immoral books on the sly, and then selfishly trying to prevent other people from having the same wicked good time.

Be good and you will be lonely.

Man is a Religious Animal. He is the only Religious Animal. He is the only animal that has the True Religion - several of them.