I am content in my later years. I have kept my good humor and take neither myself nor the next person seriously.

All conditions and all circumstances in our lives are a result of a certain level of thinking. If we want to change the conditions and circumstances, we have to change the level of thinking that is responsible for it.

Unless Americans come to realize that they are not stronger in the world because they have the bomb but weaker because of their vulnerability to atomic attack, they are not likely to conduct their policy at Lake Success [the United Nations] or in their relations with Russia in a spirit that furthers the arrival at an understanding.

It is very difficult to explain this feeling to anyone who is entirely without it, especially as there is no anthropomorphic conception of God corresponding to it. The individual feels the nothingness of human desires and aims and the sublimity and marvelous order which reveal themselves both in Nature and in the world of though. He looks upon individual existence as a sort of prison and wants to experience the universe as a single significant whole.

Growth comes through analogy; through seeing how things connect, rather than only seeing how they might be different.

Each of us visits this Earth involuntarily, and without an invitation. For me, it is enough to wonder at the secrets.

If I had known they were going to do this, I would have become a shoemaker.