10. ORIGIN OF THE MEDIAEVAL CIVILIZATION In the formation of what we may call our historical mind--namely, that modification of our animal and primitive outlook which has been produced by men of exceptional intellectual venturesomeness--the Greeks played a great part. We have seen how the Greek thinkers introduced for the first time highly subtle and critical ways of scrutinizing old beliefs, and, how they disabused their minds of many an ancient and naïve mistake. But our current ways of thinking are not derived directly from the Greeks; we are separated from them by the Roman Empire and the Middle Ages. When we think of Athens we think of the Parthenon and its frieze, of Sophocles and Euripides, of Socrates and Plato and Aristotle, of urbanity and clarity and moderation in all things. When we think of the Middle Ages we find ourselves in a world of monks, martyrs, and miracles, of popes and emperors, of knights and ladies; we remember Gregory the Great, Abélard, and Thomas Aquinas --and very little do these reminiscences have in common with those of Hellas. It was indeed a different world, with quite different fundamental presuppositions. Marvelous as were the achievements of the Greeks in art and literature, and ingenious as they were in new and varied combinations of ideas, they paid too little attention to the common things of the world to devise the necessary means of penetrating its mysteries. They failed to come upon the lynx-eyed lens, or other instruments of modern investigation, and thus never gained a godlike vision of the remote and the minute. Their critical thought was consequently not grounded in experimental or applied science, and without that the western world was unable to advance or even long maintain their high standards of criticism. After the Hellenes were absorbed into the vast Roman Empire critical thought and creative intelligence--rare and precarious things at best--began to decline, at first slowly and then with fatal rapidity and completeness. Moreover, new and highly uncritical beliefs and modes of thought became popular. They came from the Near East --Mesopotamia, Syria, Egypt, and Asia Minor--and largely supplanted the critical traditions of the great schools of Greek philosophy. The Stoic and Epicurean dogmas had lost their freshness. The Greek thinkers had all agreed in looking for salvation through intelligence and knowledge. But eloquent leaders arose to reveal a new salvation, and over the portal of truth they erased the word "Reason" and wrote "Faith" in its stead; and the people listened gladly to the new prophets, for it was necessary only _to believe_ to be saved, and believing is far easier than thinking. It was religious and mystical thought which, in contrast to the secular philosophy of the Greeks and the scientific thought of our own day, dominated the intellectual life of the Middle Ages.