Falsehood, like poison, will generally be rejected when administered alone; but when blended with wholesome ingredients may be swallowed unperceived.

The best security against revolution is in constant correction of abuses and the introduction of needed improvements. It is the neglect of timely repair that makes rebuilding necessary.

It is not that pearls fetch a high price because men have dived for them; but on the contrary, men have dived for them because they fetch a high price.

One way in which fools succeed where wise men fail is that through ignorance of the danger they sometimes go coolly about a hazardous business.

Controversy, though always an evil in itself, is sometimes a necessary evil.

It may be said, almost without qualification, that true wisdom consists in the ready and accurate perception of analogies. Without the former quality, knowledge of the past is unobstructive: without the latter it is deceptive.

He only is exempt from failures who makes no efforts.