The advantage of living is not measured by length, but by use; some men have lived long, and lived little; attend to it while you are in it. It lies in your will, not in the number of years, for you to have lived enough.

Difficulty is a coin the learned make use of like jugglers, to conceal the inanity of their art.

There is no greater enemy to those who would please than expectation.

Stupidity and wisdom meet in the same centre of sentiment and resolution, in the suffering of human accidents.

Habit is second nature.

To philosophize is to doubt.

All other knowledge is hurtful to him who has not honesty and good-nature