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

One may say the eternal mystery of the world is its comprehensibility.

The man with the greatest soul will always face the greatest war with the low minded person.

Don't listen to the person who has the answers; listen to the person who has the questions.

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

He who finds though that lets us penetrate even a little deeper into the eternal mystery of nature has been granted great grace. He who, in addition, experiences the recognition, sympathy, and help of the best minds of his times, had been given almost more happiness than one man can bear.

I have no particular talent. I am merely inquisitive.