A man is known by the books he reads.

Bad times have a scientific value. These are occasions a good learner would not miss.

The law of nature is alternation for evermore. Each electrical state superinduces the opposite. The soul environs itself with friends, that it may enter into a grander self-acquaintance or solitude; and it goes alone for a season, that it may exalt its conversation or society.

We acquire the strength we have overcome.

The piety of the Hebrew prophets purges their grossness. The circumcision is an example of the power of poetry to raise the low and offensive.

The value of a dollar is to buy just things; a dollar goes on increasing in value with all the genius and all the virtue of the world. A dollar in a university is worth more than a dollar in a jail; in a temperate, schooled, law-abiding community than in some sink of crime, where dice, knives, and arsenic are in constant play.

Courage consists in equality to the problem before us.