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Do you see then to what height of glory human nature has been raised? Is it not from earth to heaven? Is it not from corruption to incorruption? How hard would not someone toil in order to become the intimate friend of a corruptible king here below? But we, although we were alienated and hostile in our intent by evil deeds, have not only been reconciled to God the Father, through our Lord Jesus Christ, but we have also soared aloft to sonship, and now our nature is worshipped in the heavens by every creature seen and unseen.
St Ephrem – Catechesis 7 – http://web.ukonline.co.uk/ephrem/ths07.htm
On this account it foretells his bodily ascension into heaven, and says in Psalm 23, "Lift up your gates, you princes and be lifted up, you everlasting doors, and the king of glory shall come in." And in the forty-sixth, "God is gone up with a shout, the Lord with a sound of a trumpet." It announces the session at God's right hand, and says in Psalm 109, "The Lord said to my Lord, Sit on my right hand until I make your enemies your footstool."
Interpretation on the Psalms, in The Letter to Marcellinus by St. Athanasius of Alexandria