Nature of those Councils and of
pontifical Power._

_The Period closes at the Capture and Sack of Rome by
Alaric.--Defence of that Event by St. Augustine.--Criticism on
his Writings._

_Character of the Progress of Thought through this
Period.--Destiny of the three great Bishops._ 266

CHAPTER X.

THE EUROPEAN AGE OF FAITH.

AGE OF FAITH IN THE EAST.

_Consolidation of the Byzantine System, or the Union of Church
and State.--The consequent Paganization of Religion and
Persecution of Philosophy._

_Political Necessity for the enforcement of Patristicism, or
Science of the Fathers.--Its peculiar Doctrines._

_Obliteration of the Vestiges of Greek Knowledge by
Patristicism.--The Libraries and Serapion of
Alexandria.--Destruction of the latter by Theodosius.--Death
of Hypatia.--Extinction of Learning in the East by Cyril, his
Associates and Successors._ 308

CHAPTER XI.

PREMATURE END OF THE AGE OF FAITH IN THE EAST.

THE THREE ATTACKS, VANDAL, PERSIAN, ARAB.

THE VANDAL ATTACK _leads to the Loss of Africa.--Recovery of
that Province by Justinian after great Calamities._

THE PERSIAN ATTACK _leads to the Loss of Syria and Fall of
Jerusalem.--The true Cross carried away as a Trophy.--Moral
Impression of these Attacks._

THE ARAB ATTACK.--_Birth, Mission, and Doctrines of
Mohammed.--Rapid Spread of his Faith in Asia and Africa.--Fall
of Jerusalem.--Dreadful Losses of Christianity to
Mohammedanism.--The Arabs become a learned Nation._

_Review of the Koran.--Reflexions on the Loss of Asia and
Africa by Christendom._ 326

CHAPTER XII.

THE AGE OF FAITH IN THE WEST.

_The Age of Faith in the West is marked by Paganism.--The
Arabian military Attacks produce the Isolation and permit the
Independence of the Bishop of Rome._

GREGORY THE GREAT _organizes the Ideas of his Age,
materializes Faith, allies it to Art, rejects Science, and
creates the Italian Form of Religion._

_An Alliance of the Papacy with France diffuses that
Form.--Political History of the Agreement and Conspiracy of
the Frankish Kings and the Pope.--The resulting Consolidation
of the new Dynasty in France, and Diffusion of Roman
Ideas.--Conversion of Europe._

_The Value of the Italian Form of Religion determined from the