" History has two sides, a divine and a human. On the part of God, it is his revelation in the order of time (as the creation is his revelation in the order of space), and the successive unfolding of a plan of infinite wisdom, justice, and mercy, looking to his glory and the eternal happiness of mankind. On the part of man, history is the biography of the human race, and the gradual development, both normal and abnormal, of all its physical, intellectual, and moral forces to the final consummation at the general judgment, with its eternal rewards and punishments. The idea of universal history presupposes the Christian idea of the unity of God, and the unity and common destiny of men, and was unknown to ancient Greece and Rome. A view of history which overlooks or undervalues the divine factor starts from deism and consistently runs into atheism; while the opposite view, which overlooks the free agency of man and his moral responsibility "

― Philip Schaff , History Of The Christian Church (The Complete Eight Volumes In One)