Work is often the father of pleasure.

I should like to lie at your feet and die in your arms.

Let us meet four times a year in a grand temple with music, and thank God for all his gifts. There is one sun. There is one God. Let us have one religion. Then all mankind will be brethren.

When he who hears does not know what he who speaks means, and when he who speaks does not know what he himself means, that is philosophy.

Which is more dangerous: fanaticism or atheism? Fanaticism is certainly a thousand times more deadly; for atheism inspires no bloody passion whereas fanaticism does; atheism is opposed to crime and fanaticism causes crimes to be committed.

Many are destined to reason wrongly; others, not to reason at all; and others, to persecute those who do reason.

It is amusing that a virtue is made of the vice of chastity; and it's a pretty odd sort of chastity at that, which leads men straight into the sin of Onan, and girls to the waning of their color.