"The Byzantine epoch starts if not with Constantine himself, in any case with Theodosius, and reaches its climax under Justinian. His was the time when a Christian culture was conscientiously and deliberately being built and completed as a system. The new culture was a great synthesis in which all the creative traditions and moves of the past were merged and integrated. It was a "New Hellenism," but a Hellenism drastically christened and, as it were, "churchified.""