Hope should no more be a virtue than fear; we fear and we hope, according to what is promised or threatened us.

A circumstance which has always appeared wonderful to me, is that such sublime discoveries should have been made by the sole assistance of a quadrant and a little arithmetic.

Heaven made virtue; man, the appearance.

I die adoring God, loving my friends, not hating my enemies, and detesting superstition.

There are barbarians who seize this dog, who so prodigiously surpasses man in friendship, and nail him down to a table, and dissect him alive to show you the mezaraic veins... Answer me, Machinist, has Nature really arranged all the springs of feeling in this animal to the end that he might not feel? Has he nerves that he may be incapable of suffering?

You see, Mademoiselle, I have experience, I know the world. To pass the time, why don't you ask every passenger to tell you his life's story? And if there is a single one among them who has never cursed his life, who has not often told himself that he was the unhappiest of men, then you may throw me overboard, headfirst!

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.