4.  The devil then is the first author of sin, and the father of the wicked:  and this is the Lord’s saying, not mine, that the devil sinneth from the beginning 1 John iii. 8; John viii. 44.:  none sinned before him.  But he sinned, not as having received necessarily from nature the propensity to sin, since then the cause of sin is traced back again to Him that made him so; but having been created good, he has of his own free will become a devil, and received that name from his action.  For being an Archangel On Cyril’s doctrine of the Angels, see Index, “Angels.” he was afterwards called a devil from his slandering:  from being a good servant of God he has become rightly named Satan; for “Satan” is interpreted the adversary 1 Kings v. 4, &c..  And this is not my teaching, but that of the inspired prophet Ezekiel:  for he takes up a lamentation over him and says, Thou wast a seal of likeness, and a crown of beauty; in the Paradise of God wast thou born Ezek. xxviii. 12–17, an obscure passage, addressed to the Prince of Tyre, and meaning that he was “the perfect pattern” of earthly glory, set in a condition like that of Adam in Paradise, and, seemingly, blameless as Adam before his fall.  Cyril seems to regard the Prince of Tyre as an embodiment of Satan, because he was deified as the object of national worship:  v. 1, “Thou hast said, I am a God, I sit in the seat of God.”:  and soon after, Thou wast born blameless in thy days, from the day in which thou wast created, until thine iniquities were found in thee.  Very rightly hath he said, were found in thee; for they were not brought in from without, but thou didst thyself beget the evil.  The cause also he mentions forthwith:  Thine heart was lifted up because of thy beauty:  for the multitude of thy sins wast thou wounded, and I did cast thee to the ground.  In agreement with this the Lord says again in the Gospels:  I beheld Satan as lightning fall from heaven Luke x. 18..  Thou seest the harmony of the Old Testament with the New.  He when cast out drew many away with him.  It is he that puts lusts into them that listen to him:  from him come adultery, fornication, and every kind of evil.  Through him our forefather Adam was cast out for disobedience, and exchanged a Paradise bringing forth wondrous fruits of its own accord for the ground which bringeth forth thorns.