One can state, without exaggeration, that the observation of and the search for similarities and differences are the basis of all human knowledge.

Contentment is the only real wealth.

If I have a thousand ideas and only one turns out to be good, I am satisfied.

My dynamite will sooner lead to peace than a thousand world conventions. As soon as men will find that in one instant, whole armies can be utterly destroyed, they surely will abide by golden peace.

Nature is man's teacher. She unfolds her treasures to his search, unseals his eye, illumes his mind, and purifies his heart; an influence breathes from all the sights and sounds of her existence.

I intend to leave after my death a large fund for the promotion of the peace idea, but I am skeptical as to its results.

A heart can no more be forced to love than a stomach can be forced to digest food by persuasion.

My home is where I work, and I work everywhere.

Second to agriculture, humbug is the biggest industry of our age.

Good wishes alone will not ensure peace.

A recluse without books and ink is already in life a dead man.

I have stopped painting. I stand in front of the easel, brush in hand, but my mind is blank. It is as if I have been struck by a strange kind of blindness.

...She expected people to accept her for who she was. But she never really accepted herself.

Jewish vampires: Starve me to death? Seriously? Then what?

Fashion exists for women with no taste etiquette for people with no breeding.

You can't be happy by doing something groovy.

Stones grow, plants grow, and live, animals grow live and feel.

... when the locked door opens, and there comes in a young woman, deadly pale, and with long fair hair, who glides to the fire, and sits down in the chair we have left there, wringing her hands.

If you don't wear lipstick I can't talk to you.

The seat of the soul is where the inner world and the outer world meet. Where they overlap, it is in every point of the overlap.

One can enjoy a wood fire worthily only when he warms his thoughts by it as well as his hands and feet.