Therefore, when the time came, dearly beloved, which had been fore-ordained for men's redemption, there enters these lower parts of the earth, the Son of God, descending from His heavenly throne and yet not quitting His Father's glory, begotten in a new order, by a new nativity.
Leo the Great, 400-460 AD, Sermons of Leo the Great, Sermon XXII, On the Feast of the Nativity II, II (translated by Rev. Charles Lett Feltoe, The Nicene and Post-Nicene Fathers, Philip Schaff and Henry Wace, T & T Clark and Wm. B.Eerdmans Publishing, 1997, Second Series, Vol. XII, p. 130).
How does Christ's nature relate to the manner of His birth? What can be learned from this?