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 believe, indeed, that overemphasis on the purely intellectual attitude, often directed solely to the practical and factual, in our education, has led directly to the impairment of ethical values. I am not thinking so much of the dangers with which technical progress has directly confronted mankind, as of the stifling of mutual human considerations by a 'matter-of-fact' habit of thought which has come to lie like a killing frost upon human relations. Without 'ethical culture' there is no salvation for humanity.

We must learn the difficult lesson that the future of Mankind will only be tolerable when our course, in world affairs as in others, is based upon justice and law rather than the threat of naked power.

Never regard study as a duty, but as the enviable opportunity to learn

Man's will, sustained by an indominable conviction, is much more powerful than material forces that seem insurmountable.

A conviction akin to religious feeling of the rationality or intelligibility of the world lies behind all scientific work of a high order.

The basic laws of the universe are simple, but because our senses are limited, we can’t grasp them. There is a pattern in creation.