For David himself said by the Holy Spirit: "The LORD said to my Lord, "Sit at My right hand, Till I make Your enemies Your footstool."'
Mark 12:36
Surrounding context
12:35 Then Jesus answered and said, while He taught in the temple, "How is it that the scribes say that the Christ is the Son of David?
12:36 For David himself said by the Holy Spirit: "The LORD said to my Lord, "Sit at My right hand, Till I make Your enemies Your footstool."'
12:37 Therefore David himself calls Him "Lord'; how is He then his Son?" And the common people heard Him gladly.