God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.

A person reveals his character by nothing so clearly as the joke he resents.

Man can acquire accomplishments or he can become an animal, whichever he wants. God makes the animals, man makes himself.

There is something in our minds like sunshine and the weather, which is not under our control. When I write, the best things come to me from I know not where.

Delicacy in woman is strength.

Above all things expand the frontiers of science: without this the rest counts for nothing.

We are obliged to regard many of our original minds as crazy at least until we have become as clever as they are.