The release of atomic power has changed everything except our way of thinking ... the solution to this problem lies in the heart of mankind. If only I had known, I should have become a watchmaker. (1945)

But if the longing for the achievement of the goal is powerfully alive within us, then shall we not lack the strength to find the means for reaching the goal and for translating it into deeds.

The most important human endeavor is the striving for morality in our actions.

What a sad era when it is easier to smash an atom than a prejudice.

Ever since childhood I have scorned the commonplace limits so often set upon human ambition. Possessions, outward success, publicity, luxury - to me these have always been contemptible. I believe that a simple and unassuming manner of life is best for everyone; best both for the body and the mind

In their struggle for the ethical good, teachers of religion must have the stature to give up the doctrine of a personal god.

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