Heresies are experiments in man's unsatisfied search for truth.

The difference between heresy and prophecy is often one of sequence. Heresy often turns out to have been prophecy -- when properly aged.

The word 'heresy' not only means no longer being wrong; it practically means being clear-headed and courageous. The word 'orthodoxy' not only no longer means being right; it practically means being wrong.

It is not reasonable that those who gamble with men's lives should not pay with their own.

Sailors ought never to go to church. They ought to go to hell, where it is much more comfortable.

Leaders should lead as far as they can and then vanish. Their ashes should not choke the fire they have lit.