“So many things which once had distressed or revolted him — the speeches and pronouncements of the learned, their assertions and their prohibitions, their refusal to allow the universe to move — all seemed to him now merely ridiculous, non-existent, compared with the majestic reality, the flood of energy, which now revealed itself to him: omnipresent, unalterable in its truth, relentless in its development, untouchable in its serenity, maternal and unfailing in its protectiveness.”

“He recognized with absolute certainty the empty fragility of even the noblest theorizings as compared with the definitive plenitude of the smallest fact grasped in its total, concrete reality.”

“It seems to me that the Russian prestige is declining and that America holds in its hands the immediate future of the world: as long as America knows how to develop the sense of the earth at the same time as her sense of liberty." [Written from Peking, October 1945, on the eve of departure, after having been stuck there since the war began.]”

“In the final analysis, the questions of why bad things happen to good people transmutes itself into some very different questions, no longer asking why something happened, but asking how we will respond, what we intend to do now that it happened.”

“The time has come to realise that an interpretation of the universe—even a positivist one—remains unsatisfying unless it covers the interior as well as the exterior of things; mind as well as matter. The true physics is that which will, one day, achieve the inclusion of man in his wholeness in a coherent picture of the world.”

“Blessed be you, mighty matter, irresistible march of evolution, reality ever newborn; you who, by constantly shattering our mental categories, force us to go ever further and further in our pursuit of the truth.”

“We are one, after all, you and I, together we suffer, together exist and forever will recreate one another.”