In this world, which is so plainly the antechamber of another, there are no happy men. The true division of humanity is between those who live in light and those who live in darkness. Our aim must be to diminish the number of the latter and increase the number of the former. That is why we demand education and knowledge.

Jesus wept; Voltaire smiled. From that divine tear and from that human smile is derived the grace of present civilization.

The wicked envy and hate; it is their way of admiring.

Progress is the stride of God.

I refuse the oration of all churches. I ask a prayer of all souls. I believe in God.

Friend is sometimes a word devoid of meaning; enemy, never.

God has made the cat to give man the pleasure of caressing the tiger.