In the Transfiguration, for example (Matthew 17:1-13), we see the invisible divine nature break through and become visible, and Jesus is transfigured before the eyes of his disciples.
Cyril of Alexandria and the third ecumenical council, at Ephesus in 431, confessed "that the Word, uniting to himself in his person the flesh animated by a rational soul, became man."89 Christ's humanity has no other subject than the divine person of the Son of God, who assumed it and made it his own, from his conception.
It is impossible for us to fully understand how God works.
The first ecumenical council of Nicaea in 325 confessed in its Creed that the Son of God is "begotten, not made, of the same substance () as the Father", and condemned Arius, who had affirmed that the Son of God "came to be from things that were not" and that he was "from another substance" than that of the Father.88 The Nestorian heresy regarded Christ as a human person joined to the divine person of God's Son.
Jesus Is Fully Human - Christianity: A Systematic Defense
TRUE GOD AND TRUE MAN The unique and altogether singular event of the Incarnation of the Son of God does not mean that Jesus Christ is part God and part man, nor does it imply that he is the result of a confused mixture of the divine and the human.
Dec 28, 2017 · Was Jesus fully human
Then I said, Lo, I have come to do your will, O God."84
Belief in the true Incarnation of the Son of God is the distinctive sign of Christian faith: "By this you know the Spirit of God: every spirit which confesses that Jesus Christ has come in the flesh is of God."85 Such is the joyous conviction of the Church from her beginning whenever she sings "the mystery of our religion": "He was manifested in the flesh."86
Fully Human and Fully Divine: The Birth of Christ and …
Against them, the fifth ecumenical council, at Constantinople in 553, confessed that "there is but one [or person], which is our Lord Jesus Christ, one of the Trinity."93 Thus everything in Christ's human nature is to be attributed to his divine person as its proper subject, not only his miracles but also his sufferings and even his death: "He who was crucified in the flesh, our Lord Jesus Christ, is true God, Lord of glory, and ."94 The Church thus confesses that Jesus is inseparably true God and true man.
How is it possible to be both human and divine?
The heretic Arius was condemned by the Council of Nicea because he refused to say that Christ existed from all eternity as God. Ever since Nicea, this has been the position of all heretics who do not accept Christ's divinity. At the same time, everyone who not only calls himself a Christian but a Christian, firmly believes that Jesus of Nazareth, the Son of Mary, is the Son of the infinite God.
Jesus Christ, Fully God and Fully Human - Angelfire
When we understand the two natures of Jesus we can come to a deeper personal understanding of Him and commitment to Him in prayer and sacrifice. We can see how God could truly die for us, the greatest act of self-giving any person can make. Yet we know that God cannot die; that it was only after becoming man that Christ was able to die. In fact it was in order to die for us that God did become man.