Keep to yourself the final touches of your art.

Advice is sometimes transmitted more successfully through a joke than grave teaching.

Two kinds of people are good at foreseeing danger: those who have learned at their own expense, and the clever people who learn a great deal at the expense of others.

Cultivate those who can teach you.

Nothing arouses ambition so much in the heart as the trumpet-clang of another's fame.

Life is a warfare against the malice of others.

Chance has something to say, even how to write a good letter.