Other nations of different habits are not enemies: they are godsends. Men require of their neighbours something sufficiently akin to be understood, something sufficiently different to provoke attention, and something great enough to command admiration. We must not expect, however, all the virtues.

There are no whole truths: all truths are half-truths. It is trying to treat them as whole truths that plays to the devil.

What is morality in any given time or place? It is what the majority then and there happen to like and immorality is what they dislike.

Do not teach too many subjects and what you teach, teach thoroughly.

If a dog jumps into your lap, it is because he is fond of you; but if a cat does the same thing, it is because your lap is warmer.

Seek simplicity, and distrust it.

You think the world is what it looks like in fine weather at noon day; I think it is what it seems like in the early morning when one first wakes from deep sleep.