The only way to escape the personal corruption of praise is to go on working. One is tempted to stop and listen to it. The only thing is to turn away and go on working. Work. There is nothing else.

We owe a lot to the Indians, who taught us how to count, without which no worthwhile scientific discovery could have been made.

The leader is one who, out of the clutter, brings simplicity... out of discord, harmony... and out of difficulty, opportunity.

What counts can't always be counted; what can be counted doesn't always count.

I never think of the future. It comes soon enough. When visiting the U.S. from Germany for a winter academic stay.

It is quite possible that we can do greater things than Jesus, for what is written in the Bible about him is poetically embellished.

Our defense is not in our armaments, nor in science, nor in going underground. Our defense is in law and order.