Then the angel of the LORD commanded Gad to say to David, that David should go up, and set up an altar unto the LORD in the threshingfloor of Ornan the Jebusite.
Read Chapter 21
George Leo Haydock
AD 1849
Altar. Hence it appears that holy men erected altars by God's command. (Du Hamel)
When of old the Philistines had been overcome, when their devilish audacity had been destroyed, when their champion had fallen on his face to the earth, it was from this city that there went forth a procession of jubilant souls, a harmonious choir to sing our David’s victory over tens of thousands. Here, too, it was that the angel grasped his sword, and while he laid waste the whole of the ungodly city, he marked out the temple of the Lord in the threshing floor of Ornan, king of the Jebusites. Thus early was it made plain that Christ’s church would grow up not in Israel but among the Gentiles. - "Letter 46.2"