... No photograph ever was good, yet, of anybody - hunger and thirst and utter wretchedness overtake the outlaw who invented it! It transforms into desperadoes the weakest of men; depicts sinless innocence upon the pictured faces of ruffians; gives the wise man the stupid leer of a fool, and the fool an expression of more than earthly wisdom.

If man could be crossed with the cat, it would improve man but deteriorate the cat.

A new oath holds pretty well; but... when it is become old, and frayed out, and damaged by a dozen annual retryings of its remains, it ceases to be serviceable; any little strain will snap it.

A man never reaches that dizzy height of wisdom when he can no longer be led by the nose.

When the Lord finished the world, he pronounced it good. That is what I said about my first work, too. But Time, I tell you, Time takes the confidence out of these incautious opinions. It is more than likely that He thinks about the world, now, pretty much as I think about the Innocents Abroad. The fact is, there is a trifle too much water in both.

Agassiz does recommend authors to eat fish, because the phosphorus in it makes brains. But I cannot help you to a decision about the amount you need to eat. Perhaps a couple of whales would be enough.

When I was 17, my father was so stupid, I didn't want to be seen with him in public. When I was 24, I was amazed at how much the old man had learned in just 7 years.