Home is where I work, and I work everywhere.

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.

There is no problem more difficult to solve than that created by ourselves.

If a friend to me is friend to all then a friend to all is not a friend to me.

The intuition of the moral sentiment is an insight of the perfection of the laws of the soul. These laws execute themselves. They are out of time, out of space, and not subject to circumstance.

No amount of law enforcement can solve a problem that goes back to the family.

Nothing in science has any value if it is not communicated.

Me? Well, I don't know, I must go to a dictionary and learn what a crook is. I've never been a crook.

Books bear him up a while, and make him try to swim with bladders of philosophy.

Every morning prepare your soul for a tranquil day.

You have to be passionate about something other than yourself!