Perfection of Christ
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The perfection of Christ is a principle in Christology which asserts that Christ's human attributes exemplified perfection in every possible sense. Another perspective characterizes Christ's perfection as purely spiritual and moral, while his humanistic traits are subject to flaw, potential, and improvement as part of the current human condition.
Apostle Paul's perspective on Christ as the "perfect man" considered him the "second Adam" who brought forth life, while Adam left a legacy of sin, e.g. in 1Corinthians 15:22 and Romans 5:12  In Ephesians 4:13, the Christian community is called to the "unity of faith, and of the knowledge of the Son of God, unto a perfect man, unto the measure of the age of the fullness of Christ," hence reaching its perfection in the perfection of Christ himself.
In the 2nd century, Saint Irenaeus of Lyons based his concept of the perfection of Christ on the Gospel of John (as well as the other Synoptic Gospels) rather than on the Pauline Epistles. For Irenaeus the perfection of Christ originates from his being "The Word", i.e. the Logos which pre-existed as Christ in perfect form, untouched by sin: because he was the first, he could achieve perfection.
In the 3rd century, Tertullian emphasized the perfection of Christ as a key consequence of the Incarnation of the Logos in Christ. In Tertullian's view to suggest that anything could be added to improve Christ would be to deny the Gospels.
In the Middle Ages a key focus of Christological studies on the knowledge of Christ was his perfection as in John 1:14 which states "full of grace and truth". In the 13th century, the perfection of Christ was subject to detailed theological analysis by Saint Thomas Aquinas in his Summa Theologiae.
Adam, the first man, was a figure of Him Who was to come, namely Christ the Lord. Christ, the final Adam, by the revelation of the mystery of the Father and His love, fully reveals man to man himself and makes his supreme calling clear. It is not surprising, then, that in Him all the aforementioned truths find their root and attain their crown.
The Council goes on to explain the concept of Christ's human perfection, which is based in the union between his human and divine nature:
He Who is "the image of the invisible God" (Col. 1:15, cf. 2 Cor. 4:4), is Himself the perfect man. To the sons of Adam He restores the divine likeness which had been disfigured from the first sin onward. Since human nature as He assumed it was not annulled, by that very fact it has been raised up to a divine dignity in our respect too. For by His incarnation the Son of God has united Himself in some fashion with every man. He worked with human hands, He thought with a human mind, acted by human choice and loved with a human heart. Born of the Virgin Mary, He has truly been made one of us, like us in all things except sin (cf. Hebr. 4:15).
The Council resumes this idea in a later section when emphasizing the culmination of history in God's love, in which human perfection is found:
For God's Word, through Whom all things were made, was Himself made flesh and dwelt on the earth of men. Thus He entered the world's history as a perfect man, taking that history up into Himself and summarizing it. He Himself revealed to us that "God is love" (1 John 4:8) and at the same time taught us that the new command of love was the basic law of human perfection and hence of the worlds transformation.
- Active obedience of Christ
- Exorcism of the Syrophoenician woman's daughter
- Imparted righteousness
- Knowledge of Christ
- Person of Christ
- Intercession of Christ
- The nature and destiny of man: a Christian interpretation by Reinhold Niebuhr, Robin W. Lovin 1996 ISBN 0-664-25709-7 pp 76-77
- Irenaeus of Lyons by Eric Francis Osborn 2001 ISBN 0-521-80006-4 pp. 104-106
- Tertullian, First Theologian of the West by Eric Osborn 2003 ISBN 0-521-52495-4 pp. 44-45
- The knowledge of Christ by Raymond Moloney S.J. 2000 ISBN 0-8264-5130-6 page 53
- Summa Theologica, Volume 4 (Part III, First Section) by St Thomas Aquinas 2007 ISBN 1-60206-560-8 pp. 2060-2062
- Thomas Aquinas: theologian of the Christian life by Nicholas M. Healy 2003 ISBN 0-7546-1472-7 pages 98-101
- Christology: Biblical And Historical by Mini S. Johnson, 2005 ISBN 81-8324-007-0 pp. 76-79
- Institutes of the Christian religion, Volume 2 by Jean Calvin 1816 Published by Philip Nicklin, page 296
- Cf. Rom. 5: 14. Cf. Tertullian, De carnis resurrectione 6: "The shape that the slime of the earth was given was intended with a view to Christ, the future man.": P. 2, 282; CSEL 47, p. 33, 1. 12-13.
- "Gaudium et Spes 22". Retrieved August 6, 2017.
- Cf. Second Council of Constantinople, canon 7: "The divine Word was not changed into a human nature, nor was a human nature absorbed by the Word." Denzinger 219 (428); Cf. also Third Council of Constantinople: "For just as His most holy and immaculate human nature, though deified, was not destroyed (theotheisa ouk anerethe), but rather remained in its proper state and mode of being": Denzinger 291 (556); Cf. Council of Chalcedon:" to be acknowledged in two natures, without confusion change, division, or separation." Denzinger 148 (302).
- Cf. Third Council of Constantinople: "and so His human will, though deified, is not destroyed": Denzinger 291 (556).
- Cf. John XXIII, encyclical letter Pacem in Terris: AAS 55 (1963), p. 299 and 300.
- Cf. Luke 6:37-38; Matt. 7:1-2; Rom. 2:1-11; 14:10, 14:10-12.
- "Gaudium et spes 38". Retrieved August 5, 2017.
- Prior, J. Bruce (2001). "Who Is 'Full of Grace and Truth' in the Ws Text of John 1:14?" (PDF). Bulletin for Biblical Research. 11 (2): 233–8.