Voltaire

To caress the serpent that devours us, until it has eaten away our heart.

I acknowledge that four thousand volumes of metaphysics will not teach us what our soul is.

Optimism," said Cacambo, "What is that?" "Alas!" replied Candide, "It is the obstinacy of maintaining that everything is best when it is worst.

I loved him as we always love the first time: with idolatry and wild passion.

Beware of the words "internal security," for they are the eternal cry of the oppressor.

Answer me, you who believe that animals are only machines. Has nature arranged for this animal to have all the machinery of feelings only in order for it not to have any at all?

No opinion is worth burning your neighbor for.