Isolation must precede true society.

The good rain, like a bad preacher, does not know when to leave off.

Every young man is prone to be misled by the suggestions of his own ill-founded ambition which he mistakes for the promptings of asecret genius, and thence dreams of unrivaled greatness.

All things are known to the soul.

By going one step further back in thought, discordant opinions are reconciled by being seen to be two extremes of one principle, and we can never go so far back as to preclude a still higher vision.

Invention breeds invention.

Few people know how to take a walk. The qualifications are endurance, plain clothes, old shoes, an eye for nature, good humor, vast curiosity, good speech, good silence and nothing too much.