“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.]”

“Some day, after we have mastered the winds, the waves, the tides and gravity, we shall harness for God the energies of love. Then for the second time in the history of the world, we will have discovered fire.”

“Someday, after mastering the winds, the waves, the tides and gravity, we shall harness for God the energies of love, and then, for a second time in the history of the world, man will have discovered fire.”

“The day will come when, after harnessing the ether, the winds, the tides, gravitation, we shall harness for God the energies of love. And, on that day, for the second time in the history of the world, man will have discovered fire.”

“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.”

“By virtue of Creation, and still more the Incarnation, nothing here below is profane for those who know how to see.”

“The future belongs to those who give the next generation reason for hope.”