Orthodoxy is the death of intelligence.
A proverb is one man's wit and all men's wisdom.
Most of the greatest evils that man has inflicted upon man have come through people feeling quite certain about something which, in fact, was false.
All human activity is prompted by desire.
My sad conviction is that people can only agree about what they're not really interested in.
The very best proof that something can be done is that someone has already done it.