It is not length of life, but depth of life.

When we are exalted by ideas, we do not owe this to Plato, but to the idea, to which also Plato was debtor.

The Buddhist, who thanks no man, who says "Do not flatter your benefactors," but who, in his conviction that every good deed can by no possibility escape its reward, will not deceive the benefactor by pretending that he has done more than he should, is a Transcendentalist.

Justice satisfies everybody, and justice alone.

Passion, though a bad regulator, is a powerful spring. Any absorbing passion has the effect to deliver from the little coils and cares of every day: 'tis the heat which sets our human atoms spinning, overcomes the friction of crossing thresholds, and first addresses in society, and gives us a good start and speed, easy to continue, when once it is begun.

The mind, once stretched by a new idea, never returns to its original dimensions.

Wisdom is like electricity. There is no permanently wise man, but men capable of wisdom, who, being put into certain company, or other favorable conditions, become wise for a short time, as glasses rubbed acquire electric power for a while.