For David himself said by the Holy Ghost, The LORD said to my Lord, Sit thou on my right hand, till I make thine enemies thy footstool.
Berean Study Bible (BSB) - Mark 12:36 >Speaking by the Holy Spirit, David himself declared: ‘The Lord said to my Lord, “Sit at My right hand until I put Your enemies under Your feet.”’
Textus Receptus (TR) - Mark 12:36 >Αὐτὸς γὰρ Δαβὶδ εἶπεν ἐν τῷ πνεύματι τῷ ἁγίῳ, Εἶπεν ὁ Κύριος τῷ Κυρίῳ μου, Κάθου ἐκ δεξιῶν μου, ἕως ἂν θῶ τοὺς ἐχθρούς σου ὑποπόδιον τῶν ποδῶν σου.