There is no other life; life itself is only a vision and a dream for nothing exists but space and you. If there was an all-powerful God, he would have made all good, and no bad.

Every man has a secret ambition: To outsmart horses, fish and women.

I have seen slower people than I am and more deliberate... and even quieter, and more listless, and lazier people than I am. But they were dead.

You need not expect to get your book right the first time.

Adam was but human—this explains it all. He did not want the apple for the apple's sake, he wanted it only because it was forbidden. The mistake was in not forbidding the serpent; then he would have eaten the serpent.

The physician who knows only medicine, knows not even medicine.

I have only one moral precept; never smoke more than five cigars at a time.