All progress is based upon a universal innate desire on the part of every organism to live beyond its income.

Those who have never had a father can at any rate never know the sweets of losing one. To most men the death of his father is a new lease of life.

They say the test of literary power is whether a man can write an inscription. I say, "Can he name a kitten?"

Any fool can paint a picture, but it takes a wise man to be able to sell it.

Nobody shoots at Santa Claus.

The youth of an art is, like the youth of anything else, its most interesting period. When it has come to the knowledge of good and evil it is stronger, but we care less about it.

People are lucky and unlucky not according to what they get absolutely, but according to the ratio between what they get and what they have been led to expect.