Knowledge of the world in only to be acquired in the world, and not in a closet.

A rake is a composition of all the lowest, most ignoble, degrading, and shameful vices; they all conspire to disgrace his character, and to ruin his fortune; while wine and the pox content which shall soonest and most effectually destroy his constitution.

Talk often, but never long; in that case, if you do not please, at least you are sure not to tire your hearers. Pay your own reckoning, but do not treat the whole company; this being one of the few cases in which people do not care to be treated, every one being fully convinced that he has wherewithal to pay.

Virtue and learning, like gold, have their intrinsic value: but if they are not polished, they certainly lose a great deal of their luster: and even polished brass will pass upon more people than rough gold.

If you love music hear it; go to operas, concerts, and pay fiddlers to play to you; but I insist upon your neither piping nor fiddling yourself. It puts a gentleman in a very frivolous, contemptible light; brings him into a great deal of bad company; and takes up a great deal of time, which might be much better employed.

Whatever you do, do it to the purpose; do it thoroughly, not superficially. Go to the bottom of things. Any thing half done, or half known, is in my mind, neither done nor known at all. Nay, worse, for it often misleads.

There is nothing that people bear more impatiently, or forgive less, than contempt: and an injury is much sooner forgotten than an insult.