In Greece wise men speak and fools decide.

The whole machinery of our intelligence, our general ideas and laws, fixed and external objects, principles, persons, and gods, are so many symbolic, algebraic expressions. They stand for experience; experience which we are incapable of retaining and surveying in its multitudinous immediacy. We should flounder hopelessly, like the animals, did we not keep ourselves afloat and direct our course by these intellectual devices. Theory helps us to bear our ignorance of fact.

The same battle in the clouds will be known to the deaf only as lightning and to the blind only as thunder.

One real world is enough.

It would be hard to conceive a system of instincts more nicely adjusted, where the constituents should represent or support one another better. The husband has an interest in protecting the wife, she in serving the husband. The weaker gains in authority and safety, the wilder and more unconcerned finds a help-mate at home to take thought of his daily necessities. Parents lend children their experience and a vicarious memory; children endow their parents with a vicarious immortality.

To most people, I fancy, the stars are beautiful; but if you asked why, they would be at a loss to reply, until they remembered what they had heard about astronomy, and the great size and distance and possible habitation of those orbs. ... [We] persuade ourselves that the power of the starry heavens lies in the suggestion of astronomical facts.

Men almost universally have acknowledged providence, but that fact has had no force to destroy natural aversions and fears in the presence of events.