There is no evildoer who could not be made good for something.

Not all the subtilties of metaphysics can make me doubt a moment of the immortality of the soul, and of a beneficent Providence. I feel it, I believe it, I desire it, I hope it, and will defend it to my last breath.

Ought to have a universal compulsory force to move and arrange each part in the manner best suited to the whole. Just as nature gives each man an absolute power over all his members, the social compact gives the body politic an absolute power over all its members." "We grant that each person alienates, by the social compact, only that portion of his power, his goods, and liberty whose use is of consequence to the community; but we must also grant that only the sovereign is the judge of what is of consequence.

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

Equality, because without it there can be no liberty.

The indifference of children towards meat is one proof that the taste for meat is unnatural; their preference is for vegetable foods...Beware of changing this natural taste and making children flesh-eaters, if not for their health's sake, for the sake of their character; for how can one explain away the fact that great meat-eaters are usually fiercer and more cruel than other men; this has been recognised at all times and in all places.

Whoever blushes confesses guilt, true innocence never feels shame.