I was a freethinker before I knew how to think.

It is difficult, if not impossible, for most people to think otherwise than in the fashion of their own period.

I never thought much of the courage of a lion tamer. Inside the cage he is at least safe from people.

Changeable women are more endurable that monotonous ones; they are sometimes murdered but never deserted.

We are more gullible and superstitious today than we were in the Middle Ages, and an example of modern credulity is the widespread belief that the Earth is round. The average man can advance not a single reason for thinking that the Earth is round. He merely swallows this theory because there is something about it that appeals to the twentieth century mentality.

It is nearly 50 years since I was assured by a conclave of doctors that if I did not eat meat I should die of starvation.

Hegel was right when he said that we learn from history that men never learn anything from history.