Love may exist without jealousy, although this is rare: but jealousy may exist without love, and this is common; for jealousy can feed on that which is bitter no less than on that which is sweet, and is sustained by pride as often as by affection.

If you cannot avoid a quarrel with a blackguard, let your lawyer manage it, rather than yourself. No man sweeps his own chimney, but employs a chimney-sweeper, who has no objection to dirty work, because it is his trade.

When in reading we meet with any maxim that may be of use, we should take it for our own, and make an immediate application of it, as we would of the advice of a friend whom we have purposely consulted.

If Satan ever laughs, it must be at hypocrites; they are the greatest dupes he has.

Honor is unstable and seldom the same; for she feeds upon opinion, and is as fickle as her food.

There is nothing more imprudent than excessive prudence.

The cynic who twitted Aristippus by observing that the philosopher who could dine on herbs might despise the company of a king, was well replied to by Aristippus, when he remarked that the philosopher who could enjoy the company or a king might also despise a dinner of herbs.