Simplicity is the ultimate sophistication.

There is geometry in the humming of the strings. There is music in the spacing of the spheres.

Every act of creation is first an act of destruction.

Honesty is the first chapter in the book of wisdom.

Good advice is always certain to be ignored, but that's no reason not to give it.

If we can really understand the problem, the answer will come out of it, because the answer is not separate from the problem.

In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.

There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

Criticize the act, not the person.

The greatest of all mistakes is to do nothing because you think you can only do a little

Confidence is contagious. So is lack of confidence.

It is divinity that shapes, not only your ends, but also your acts, your words and thoughts.

One who loses wealth loses much. One who loses a friend loses more. But one who loses courage loses all.

One of the truest tests of integrity is its blunt refusal to be compromised.

Words mean more than what is set down on paper. It takes the human voice to infuse them with deeper meaning.

Don't expect to build up the weak by pulling down the strong.

Colorless green ideas sleep furiously

The greatest of wealth is the richness of the soul.

Life's battles don't always go to the stronger or faster man. But sooner or later, the man who wins is the man who thinks he can.

What a man does for others, not what they do for him, gives him immortality.