It is not sufficient to be worthy of respect in order to be respected.

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 always return from my travels with new books.

Find out what a person fears most and that is where he will develop next.

We had a word with him about diving and since then the lad's come on leaps and bounds.

Remembering a wrong is like carrying a burden on the mind.

Remember me when I am dead and simplify me when I'm dead.

How sternly we reproach virtue for its failings, how indulgent we are to the better qualities of vice!

To create a market for your writing you have to be consistent, professional, a continuing writer - not just a one-article or a one-story or a one-book man.

Nature is fun to study, but style is everything.

I love adventure, so I'm excited to be working on something new and making the transition from reality show contestant to host.

People are motivated when they see somebody else doing something.