“Memory is deceptive because it is colored by today's events”

“If tomorrow were never to come, it would not be worth living today.”

“All of us who are concerned for peace and triumph of reason and justice must be keenly aware how small an influence reason and honest good will exert upon events in the political field.”

“For any one who is pervaded with the sense of causal law in all that happens, who accepts in real earnest the assumption of causality, the idea of a Being who interferes with the sequence of events in the world is absolutely impossible. Neither the religion of fear nor the social-moral religion can have any hold on him.”

“Only the Catholic Church protested against the Hitlerian onslaught on liberty. Up till then I had not been interested in the Church, but today I feel a great admiration for the Church, which alone has had the courage to struggle for spiritual truth and moral liberty”

“The world is a dangerous place to live, not because of the people who are evil, but because of the people who don't do anything about it.”

“Equations are more important to me, because politics is for the present, but an equation is something for eternity.”