Charles Spurgeon Commentary Mark 12:35-36

"And Jesus answered and said, as he taught in the temple, How say the scribes that the Christ is the son of David? David himself said in the Holy Spirit, The Lord said unto my Lord, Sit thou on my right hand, Till I make thine enemies the footstool of thy feet." — Mark 12:35-36 (ASV)

And Jesus answered and said, while he taught in the temple, How say the scribes that Christ is the son of David? For David himself said by the Holy Ghost—

In Psalm 110:1—