I sometimes give myself admirable advice, but I am incapable of taking it.

Women especially as to be talked to as below men, and above children.

I really know nothing more criminal, more mean, and more ridiculous than lying. It is the production either of malice, cowardice, or vanity; and generally misses of its aim in every one of these views; for lies are always detected, sooner or later.

There is nothing so necessary, but at the same time there is nothing more difficult (I know it by experience) for you young fellows, than to know how to behave yourselves prudently towards those whom you do not like. Your passions are warm, and your heads are light; you hate all those who oppose your views, either of ambition or love; and a rival, in either, is almost a synonymous term for any enemy.

Manners must adorn knowledge and smooth its way through the world.

The heart never grows better by age; I fear rather worse, always harder. A young liar will be an old one, and a young knave will only be a greater knave as he grows older.

A man of sense soon discovers, because he carefully observes, where and how long he is welcome; and takes care to leave the company at least as soon as he is wished out of it. Fools never perceive whether they are ill timed or ill placed.