1 Chronicles 21:20-23

20Now Ornan was threshing wheat. He turned and saw the angel, and his four sons who were with him hid themselves.

21As David came to Ornan, Ornan looked and saw David and went out from the threshing floor and paid homage to David with his face to the ground.

22And David said to Ornan, "Give me the site of the threshing floor that I may build on it an altar to the Lord—give it to me at its full price—that the plague may be averted from the people."

23Then Ornan said to David, "Take it, and let my lord the king do what seems good to him. See, I give the oxen for burnt offerings and the threshing sledges for the wood and the wheat for a grain offering; I give it all."