We could use up two Eternities in learning all that is to be learned about our own world and the thousands of nations that have arisen and flourished and vanished from it. Mathematics alone would occupy me eight million years.

The human being places sexual intercourse above all other joys, but leaves it out of his heaven.

A dollar picked up in the road is more satisfaction to you than the ninety-and -nine which you had to work for, and money won at faro or in stock snuggles into your heart in the same way.

Where was the use, originally, in rushing this whole globe through in six days? It is likely that if more time had been taken in the first place, the world would have been made right, and this ceaseless improving and repairing would not be necessary now. But if you hurry a world or a house, you are nearly sure to find out by and by that you have left out a towhead, or a broom-closet, or some other little convenience, here and there, which has got to be supplied, no matter how much expense or vexation it may cost.

Switzerland is simply a large, lumpy, solid rock with a thin skin of grass stretched over it.

Some authorities hold that the young ought not to lie at all. That, of course, is putting it rather stronger than necessary; still, while I cannot go quite so far as that, I do maintain, and I believe I am right, that the young ought to be temperate in the use of this great art until practice and experience shall give them that confidence, elegance and precision which alone can make the accomplishment graceful and profitable.

He said that man’s heart was the only bad heart in the animal kingdom; that man was the only animal capable of feeling malice, envy, vindictiveness, revengefulness, hatred, selfishness, the only animal that loves drunkenness, almost the only animal that could endure personal uncleanliness and a filthy habitation, the sole animal in whom was fully developed the base instinct called patriotism, the sole animal that robs, persecutes, oppresses and kills members of his own tribe, the sole animal that steals and enslaves the members of any tribe.