My opinion about Miller's experiments is the following. ... Should the positive result be confirmed, then the special theory of relativity and with it the general theory of relativity, in its current form, would be invalid. Experimentum summus judex. Only the equivalence of inertia and gravitation would remain, however, they would have to lead to a significantly different theory.

[Freud's] sense of reality is less clouded by wishful thinking than is the case with other people and [he combines] the qualities of critical judgment, earnestness and responsibility.

We must be prepared to make the same heroic sacrifices for the cause of peace that we make ungrudgingly for the cause of war.

The desire for guidance, love, and support prompts men to form the social or moral conception of God. This is the God of Providence, who protects, disposes, rewards, and punishes; the God who, according to the limits of the believer's outlook, loves and cherishes the life of the tribe or of the human race, or even of life itself; the comforter in sorrow and unsatisfied longing; he who preserves the souls of the dead. This is the social or moral conception of God.

It is not by sitting still at a grand distance and calling the human race larvae that men are to be helped.

I prefer an attitude of humility corresponding to the weakness of our intellectual understanding of nature and of our own being.

Without changing our pattern of thought, we will not be able to solve the problems we created with our current patterns of thought