“There is something fascinating about science. One gets such wholesale returns of conjecture out of such a trifling investment of fact.”

“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.”

“I have too much respect for the truth to drag it out on every trifling occasion.”

“All the rest of [Shakespeare's] vast history, as furnished by the biographers, is built up, course upon course, of guesses, inferences, theories, conjectures — an Eiffel Tower of artificialities rising sky-high from a very flat and very thin foundation of inconsequential facts.”

“Now when I had mastered the language of this water, and had come to know every trifling feature that bordered the great river as familiarly as I knew the letters of the alphabet, I had made a valuable acquisition. But I had lost something, too. I had lost something which could never be restored me while I lived. All the grace, the beauty, the poetry, had gone out of the majestic river!”

“But as soon as one is at rest in this world off he goes on something else to worry about.”

“First get the facts, you can distort them later”