Who has given us the perception of just and unjust? God, who gave us a brain and a heart. But when does our reason inform us that there are such things as vice and virtue? Just at the same time it teaches us that two and two make four. There is no innate knowledge, for the same reason that there is no tree that bears leaves and fruit when it first starts above the earth. There is nothing innate, or fully developed in the first instance; but — we repeat here what we have often said — God causes us to be born with organs, which, as they grow and become unfolded, make us feel all that is necessary for our species to feel, for the conservation of that species.

How is this continual mystery performed? Tell me, ye yellow inhabitants of the Isles of Sunda, ye black Africans, ye beardless Indians; and you — Plato, Cicero, and Epictetus. You all equally feel that it is better to give the superfluity of your bread, your rice, or your manioc, to the poor man who meekly requests it, than to kill him or scoop his eyes out. It is evident to the whole world that a benefit is more honorable to the performer than an outrage, that gentleness is preferable to fury.

The only thing required, then, is to exercise our reason in discriminating the various shades of what is right and wrong. Good and evil are often neighbors; our passions confound them; who shall enlighten and direct us? Ourselves, when we are calm and undisturbed. Whoever has written on the subject of human duties, in all countries throughout the world, has written well, because he wrote with reason. All have said the same thing; Socrates and Epictetus, Confucius and Cicero, Marcus Antoninus and Amurath II. had the same mora............