Don't wait to be happy to laugh... You may die and never have laughed.

One should never risk a joke, even of the mildest and most unexceptional charters, except among people of culture and wit.

The mind, like all other things, will become impaired, the sciences are its food,--they nourish, but at the same time they consume it.

Pure friendship is something which men of an inferior intellect can never taste.

A man of the world must seem to be what he wishes to be thought.

A person's worth in this world is estimated according to the value he puts on himself.

A man can keep another's secret better than his own. A woman her own better than others.