Precise knowledge is the only true knowledge, and he who does not teach exactly, does not teach at all.

Speak of the appetite for drink; or of a bon-vivant's relish for dinner! What are these mere animal throes and ragings compared with those fantasies of taste, of those yearning of the imagination, of those insatiable appetites of intellect, which bewilder a student in a great bookseller's temptation-hall.

Nothing is orderly till man takes hold of it. Everything in creation lies around loose.

Rain! whose soft architectural hands have power to cut stones, and chisel to shapes of grandeur the very mountains.

Men strengthen each other in their faults. Those who are alike associate together, repeat the things which all believe, defend and stimulate their common faults of disposition, and each one receives from the others a reflection of his own egotism.

Maple-trees are the cows of trees (spring-milked).

I pray on the principle that wine knocks the cork out of a bottle. There is an inward fermentation, and there must be a vent.