Jacques Rousseau

One loses all the time which he might employ to better purpose.

To endure is the first thing that a child ought to learn, and that which he will have the most need to know.

To live is not merely to breathe: it is to act; it is to make use of our organs, senses, faculties-of all those parts of ourselves which give us the feeling of existence.

The training of children is a profession, where we must know how to waste time in order to save it

The strongest is never strong enough to be always the master, unless he transforms his strength into right, and obedience into duty.

In the strict sense of the term, a true democracy has never existed, and never will exist.

Provided a man is not mad, he can be cured of every folly but vanity.

Virtue is a state of war, and to live in it we have always to combat with ourselves.

Taste is, so to speak, the microscope of the judgment.

Temperance and labor are the two best physicians of man; labor sharpens the appetite and temperance prevents from indulging to excess.