Matthew 22:43

He saith unto them,.... Not denying it to be a truth they affirmed; but rather granting and allowing it: he argues upon it, though he tacitly refuses their sense and meaning of the phrase, thus,

how then doth David in spirit call him Lord? that is, if he is a mere man, if he is only the son of David, according to the flesh, if he has no other, or higher descent than from him, how comes it to pass, that David, under the inspiration of the Spirit of God, by which he wrote his book of Psalms, see 2 Samuel 23:1 where the passage, after cited, stands, to call him Lord; which supposes him to be more than barely his son, and to be a greater person than himself, one superior in nature and dignity to him? for the phrase "in spirit", is not to be connected with the word Lord; as if the design of it was to show, that the Messiah was Lord, or God, in spirit, or with respect to his divine nature, but, with the word "call", expressing the influence of the Spirit of God, under which David wrote; otherwise the Pharisees would have had a direction how to have answered the question, which much puzzled them:

saying, as in Psalms 110:1.