Of all the animals, man is the only one that lies.

Wheresoever she was, there was Eden.

Many of the cemeteries are beautiful, and are kept in perfect order. When one goes from the levee or the business streets [of New Orleans] to it, to a cemetery, he observes to himself that if those people down there would live as neatly while they are alive as they do after they are dead, they would find many advantages in it; and besides, their quarter would be the wonder and admiration of the business world.

Knowledge becomes wisdom only after it has been put to good use.

If horses knew their strength we should not ride anymore.

But it was ever thus, all through my life: whenever I have diverged from custom and principle and uttered a truth, the rule has been that the hearer hadn't strength of mind enough to believe it.

There are people who strictly deprive themselves of each and every eatable, drinkable, and smokable which has in any way acquired a shady reputation. They pay this price for health. And health is all they get for it. How strange it is. It is like paying out your whole fortune for a cow that has gone dry.