The only thing that one really knows about human nature is that it changes. Change is the one quality we can predicate of it. The systems that fail are those that rely on the permanency of human nature, and not on its growth and development. The error of Louis XIV was that he thought human nature would always be the same. The result of his error was the French Revolution. It was an admirable result.

I feel that if I kept it secret it might grow in my mind (as poisonous things grow in the dark) and take its place with the other terrible thoughts that gnaw me

People who count their chickens before they are hatched act very wisely because chickens run about so absurdly that it's impossible to count them accurately.

I like men who have a future and women who have a past.

She...can talk brillantly upon any subject provided she knows nothing about it.

It is the confession, not the priest, that gives us absolution.

The typewriting machine, when played with expression, is no more annoying than the piano when played by a sister or near relation.