“And David himself saith in the book of Psalms, The Lord said unto my Lord, Sit thou on my right hand,”
Luke 20:42 — Greek Interlinear
Church Fathers on Luke 20:42
Although our Lord was shortly about to enter on His Passion, He proclaims His own Godhead, and that too neither incautiously nor boastfully, but with modesty. For He puts a question to them, and having thrown them into perplexity, leaves them to reason out the conclusion; as it follows, And he said to them, How say they that Christ is David’s son?
They are not blamed here because they acknowledge Him to be David’s Son, for the blind man for so doing was thought worthy to be healed. And the children saying, Hosanna to the Son of David, rendered to God the glory of the highest praise; but they are blamed because they believe Him not to be the Son of God. Hence it is added, And David himself says in the book of Psalms, The Lord said to my Lord. Both the Father is Lord and the Son is Lord, but there are not two Lords, but…
By the sitting we must not conceive a posture of the human limbs, as if the Father sat on the left and the Son on the right, but the right hand itself we must interpret to be the power which that Man received who was taken up into Himself by God, that He should come to judge, who at first came to be judged.