Civilization is a hopeless race to discover remedies for the evils it produces.

The first person who, having enclosed a plot of land, took it into his head to say this is mine and found people simple enough to believe him was the true founder of civil society. What crimes, wars, murders, what miseries and horrors would the human race have been spared, had some one pulled up the stakes or filled in the ditch and cried out to his fellow men: "Do not listen to this imposter. You are lost if you forget that the fruits of the earth belong to all and the earth to no one!

To try to conceal our own heart is a bad means to read that of others.

Leave those vain moralists, my friend, and return to the depth of your soul: that is where you will always rediscover the source of the sacred fire which so often inflamed us with love of the sublime virtues; that is where you will see the eternal image of true beauty, the contemplation of which inspires us with a holy enthusiasm.

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

Girls must be thwarted early in life.

Do to others as you would have others do to you, inspires all men with that other maxim of natural goodness a great deal less perfect, but perhaps more useful: Do good to yourself with as little prejudice as you can to others.