Sunshine is delicious, rain is refreshing, wind braces us up, snow is exhilarating; there is really no such thing as bad weather, only different kinds of good weather.

Value is the life-giving power of anything; cost, the quantity of labour required to produce it; its price, the quantity of labourwhich its possessor will take in exchange for it.

If only the Geologists would let me alone, I could do very well, but those dreadful Hammers! I hear the clink of them at the end of every cadence of the Bible verses.

Nature is always mysterious and secret in her use of means; and art is always likest her when it is most inexplicable.

If you want knowledge, you must toil for it; if food, you must toil for it; and if pleasure, you must toil for it: toil is the law.

The greatest reward is not what we receive for our labor, but what we become by it.

I had no companions to quarrel with, nobody to assist, and nobody to thank... the evil consequence of all this was not, however, what might perhaps have been expected, that I grew up selfish or non affectionate; but that, when affection did come, it came with a violence utterly rampant and unmanageable.