Finally, when the great Roman Empire joined to itself the Greek culture, there sprang up what was known as the Greek and Roman schools, or Graeco-Roman schools, although Rome was not without its centre of education at the famous Athenaeum. In these Graeco-Roman schools were taught grammar, rhetoric, and dialectic, music, arithmetic, geometry, and astronomy. The grammar of that day frequently included language, criticism, history, literature, metre; the dialectic considered logic, metaphysics, and ethics; while rhetoric contemplated the fitting of the youth for public life and for the law. But these schools, though dealing in real knowledge for a time, gradually declined, chiefly on account of the declining moral powers of the empire and the relaxation of intellectual activity, people thinking more of ease and luxury and the power of wealth than of actual accomplishment. The internal disorganization, unjust taxation, and unjust rule of the empire had also a tendency to undermine education. The coming of the barbarians, with their honest, illiterate natures, had its influence, likewise, in overthrowing the few schools that remained. The rise of Christianity, which supposed that all pagan literature and pagan knowledge were of the devil, and hence to be suppressed, opposed secular teaching, and tended to dethrone these schools. Constantine's effort to unite the church and state tended for a while to perpetuate secular institutions. But the pagan schools passed away; the philosophy of the age had run its course until it had become a hollow assumption, a desert of words, a weary round of speculation without vitality of expression; and the activity of the sophists in these later times narrowed all literary courses until they dwindled into mere matters of form. Perhaps, owing to its force, power, and dignity, the Roman law retained a vital {358} position in the educational curriculum. The school at Athens was suppressed in 529 by Justinian, because, as it had been claimed, it was tainted with Oriental philosophy and allied with Egyptian magic, and hence could not develop ethical standards.