Be busy in trading, receiving, and giving, for life is too good to be wasted in living.

Instinct is intelligence incapable of self-consciousness.

Pain has its own noble joy, when it starts a strong consciousness of life, from a stagnant one.

Colors answer feeling in man; shapes answer thought; and motion answers will.

One dupe is as impossible as one twin.

The worst education which teaches self-denial, is better than the best which teaches everything else, and not that.

Enthusiasm is grave, inward, self-controlled; mere excitement, outward, fantastic, hysterical, and passing in a moment from tears to laughter.

Emotion turning back on itself, and not leading on to thought or action, is the element of madness.

Faith in a better than that which appears is no less required by art than by religion.

A man without earnestness is a mournful and perplexing spectacle. But it is a consolation to believe, as we must of such a one, that he is the most effectual and compulsive of all schools.

Man is a substance clad in shadows.

Dead yesterdays and unborn tomorrows, why fret about it, if today be sweet.

You do realize that you are addressing the emperor of the Crescent Empire.""And you are addressing a free woman of the desert. You are not my emperor. Therefore, I am your equal.

Care for him who shall have borne the battle

We must learn to see the world anew.

I have made this letter longer than usual, only because I have not had the time to make it shorter.

sooner or later, if the activity of the mind is restricted anywhere it will cease to function even where it is allowed to be free.

What youth or maiden conspires with the wild luxuriant beauty of Nature? She flourishes most alone, far from the towns where they reside.

Music, to me, is mankind's greatest possible achievement because look at all the good it does.

We are all older and more tired.

There's a satisfaction in seeing something happen over time.