People must have renounced, it seems to me, all natural intelligence to dare to advance that animals are but animated machines.... It appears to me, besides, that such people can never have observed with attention the character of animals, not to have distinguished among them the different voices of need, of suffering, of joy, of pain, of love, of anger, and of all their affections. It would be very strange that they should express so well what they could not feel.

I also know that we should cultivate our gardens.

Love truth, and pardon error.

When his highness sends a ship to Egypt, does he trouble his head whether the mice on board are at their ease or not?

Is there anyone so wise as to learn by the experience of others?

We all look for happiness, but without knowing where to find it: like drunkards who look for their house, knowing dimly that they have one.

All men have equal rights to liberty, to their property, and to the protection of the laws