Faith: a firm belief for which there is no evidence.

It is clear that thought is not free if the profession of certain opinions makes it impossible to earn a living.

Belief in a Divine mission is one of the many forms of certainty that have afflicted the human race.

Never try to discourage thinking, for you are sure to succeed.

Answering questions is a major part of sex education. Two rules cover the ground. First, always give a truthful answer to a question; secondly, regard sex knowledge as exactly like any other knowledge.

My sad conviction is that people can only agree about what they're not really interested in.

I don't like the spirit of socialism - I think freedom is the basis of everything.