The community which has neither poverty nor riches will always have the noblest principles.

Any man may easily do harm, but not every man can do good to another.

No one is so cowardly that Love could not inspire him to heroism.

Those who have a natural talent for calculation are generally quick-witted at every other kind of knowledge; and even the dull, if they have had an arithmetical training, although they may derive no other advantage from it, always become much quicker than they would have been.

The tyranny imposed on the soul by anger, or fear, or lust, or pain, or envy, or desire, I generally call 'injustice.'

If particulars are to have meaning, there must be universals.

The cause of all the blunders committed by man arises from this excessive self-love. For the lover is blinded by the object loved; so that he passes a wrong judgment on what is just, good and beautiful, thinking that he ought always to honor what belongs to himself in preference to truth. For he who intends to be a great man ought to love neither himself nor his own things, but only what is just, whether it happens to be done by himself, or by another.