Chastity - the most unnatural of all the sexual perversions.

The impulse to cruelty is, in many people, almost as violent as the impulse to sexual love - almost as violent and much more mischievous.

Men do not learn much from the lessons of history and that is the most important of all the lessons of history.

That men do not learn very much from the lessons of history is the most important of all the lessons of history.

Most ignorance is vincible ignorance. We don't know because we don't want to know.