Adapt or perish, now as ever, is nature's inexorable imperative.

Nature never appeals to intelligence until habit and instinct are useless. There is no intelligence where there is no need of change.

The doctrine of the Kingdom of Heaven, which was the main teaching of Jesus, is certainly one of the most revolutionary doctrines that ever stirred and changed human thought.

Man is the unnatural animal, the rebel child of nature, and more and more does he turn himself against the harsh and fitful hand that reared him.

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.