There is no greater drama in human record than the sight of a few Christians, scorned or oppressed by a succession of emperors, bearing all trials with a fierce tenacity, multiplying quietly, building order while their enemies generated chaos, fighting the sword with the word, brutality with hope, and at last defeating the strongest state that history has known. Caesar and Christ had met in the arena, and Christ had won.

Chapter 30, part 1, p. 652. - The Story of Civilization (1935–1975) - III - Caesar and Christ (1944)