The life of the individual has meaning only insofar as it aids in making the life of every living thing nobler and more beautiful. Life is sacred, that is to say, it is the supreme value, to which all other values are subordinate.

There are actually two approaches to reside your daily life. One is as if absolutely nothing is really a miracle. The other is as if every little thing is a wonder

The most important tool of the theoretical physicist is his wastebasket.

The greatest activity of which man is capable: Opening up yet another fragment of the frontier of beauty.

The great need to grasp principles had caused me to spend most of my time on fruitless persuits.

If they want to see me, here I am. If they want to see my clothes, open my closet and show them my suits.

I was very pleased with your kind letter. Until now I never dreamed of being something like a hero. But since you've given me the nomination I feel that I am one.