If two men agree on everything, you may be sure that one of them is doing the thinking.

The world is my lobster.

You only give me what you have left over, and you want things from me that I do not have.

You conquer every hardness with your eyes, as you do likewise every light; so if it can happen that one can die of joy, now would be the time.

The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.

If Edison had a needle to find in a haystack, he would proceed at once with the diligence of the bee to examine straw after straw until he found the object of his search... I was a sorry witness of such doings, knowing that a little theory and calculation would have saved him ninety per cent of his labor.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more.

For all men tragically great are made so through a certain morbidness.

The man who goes alone can start today; but he who travels with another must wait till that other is ready.

Everybody loves to see justice done on somebody else.