The law of nature is alternation for evermore. Each electrical state superinduces the opposite.

By his machines man can dive and remain under water like a shark; can fly like a hawk in the air; can see atoms like a gnat; can see the system of the universe of Uriel, the angel of the sun; can carry whatever loads a ton of coal can lift; can knock down cities with his fist of gunpowder; can recover the history of his race by the medals which the deluge, and every creature, civil or savage or brute, has involuntarily dropped of its existence; and divine the future possibility of the planet and its inhabitants by his perception of laws of nature.

If you would not be known to do anything, never do it.

We must trust infinitely to the beneficent necessity which shines through all laws. Human nature expresses itself in them as characteristically as in statues, or songs, or railroads, and an abstract of the codes of nations would be an abstract of the common conscience.

We talk of choosing our friends, but friends are self-elected.

An individual has a healthy personality to the exact degree to which they have the propensity to look for the good in every situation.

A scholar is a man with his inconvenience, that, when you ask him his opinion of any matter, he must go home and look up his manuscripts to know.