Never memorize something that you can look up.

The pursuit of knowledge is more valuable than its possession.

There could be no greater calamity than a permanent discord between us and the Arab people. Despite the great wrong that has been done us, we must strive for a just and lasting compromise with the Arab people Let us recall that in former times no people lived in greater friendship with us than the ancestors of these Arabs.

The thinking it took to get us into this mess is not the same thinking that is going to get us out of it.

A perfection of means, and confusion of aims, seems to be our main problem.

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

A human being is a part of the whole called by us universe, a part limited in time and space. He experiences himself, his thoughts and feeling as something separated from the rest, a kind of optical delusion of his consciousness. This delusion is a kind of prison for us, restricting us to our personal desires and to affection for a few persons nearest to us. Our task must be to free ourselves from this prison by widening our circle of compassion to embrace all living creatures and the whole of nature in its beauty.