They went out from us, but they didn't belong to us; for if they had belonged to us, they would have continued with us. But they left, that they might be revealed that none of them belong to us.

 To the classical Greek curiosity was not a fault but was the greatest of the virtues, for it was the mother of philosophy. Glover writes of this outlook: "Everything must be examined; all the world is the proper study of man; there is no question which it is wrong for man to ask; nature in the long run must stand and deliver; God too must explain himself, for did he not make man so?" For the Greeks of the great classical age the way to God was by the intellect. 