... the desire for truth must take precedence over all other desires.

It is my conviction that killing under the cloak of war is nothing but an act of murder.

The comprehensibility of the world seems to me a wonder or eternal secret. Here lies the sense of wonder which increases even more with the development of our knowledge.

The first and most important necessity is the creation of a modus vivendi with the Arab people.

Only world law can assure progress towards a civilized peaceful community.

As far as the laws of mathematics refer to reality, they are not certain, and as far as they are certain, they do not refer to reality.

The most beautiful gift of nature is that it gives one pleasure to look around and try to comprehend what we see.