A person is always startled when he hears himself seriously called an old man for the first time.

People who honestly mean to be true really contradict themselves much more rarely than those who try to be 'consistent'.

The Amen of nature is always a flower.

Science is a first-rate piece of furniture for a man's upper chamber, if he has common sense on the ground-floor. But if a man hasn't got plenty of good common sense, the more science he has, the worse for his patient.

Rough work, iconoclasm, but the only way to get at truth.

To obtain a man's opinion of you, make him mad.

Life as we call it, is nothing but the edge of the boundless ocean of existence when it comes upon soundings.