I always like a dog so long as he isn't spelled backward.

It is a mathematical fact that if a line be not perfectly directed towards a point, it will actually go further away from it as it comes nearer to it.

People who make history know nothing about history. You can see that in the sort of history they make.

The madman is the man who has lost everything except his reason.

The chief object of education is not to learn things but to unlearn things.

Hope means hoping when things are hopeless, or it is no virtue at all. And faith means believing the incredible, or it is no virtue at all.

Humility is the mother of giants.