The great rule of moral conduct is next to God, respect time.

Trust him not with your secrets, who, when left alone in your room, turns over your papers.

What do I owe to my times, to my country, to my neighbors, to my friends? Such are the questions which a virtuous man ought often to ask himself.

Desire is the uneasiness a man finds in himself upon the absence of anything whose present enjoyment carries the idea of delight with it.

Do not believe that a book is good, if in reading it thou dost not become more contented with thy existence, if it does not rouse up in thee most generous feelings.

He who seldom speaks, and with one calm well-timed word can strike dumb the loquacious, is a genius or a hero.

If you see one cold and vehement at the same time, set him down for a fanatic.