Matthew Henry on 1 Chronicles 21:18–end
We have here the controversy concluded, and, upon David's repentance, his peace made with God. Though thou wast angry with me, thy anger is turned away. 1. A stop was put to the progress of the execution, Ch1 21:15. When David repented of the sin God repented of the judgment, and ordered the destroying angel to stay his hand and sheath his sword, Ch1 21:27. 2. Direction was given to David to rear an altar in the threshing-floor of Ornan, Ch1 21:18. The angel commanded the prophet Gad to bring David this direction. The same angel that had, in God's name, carried on the war, is here forward to set on foot the treaty of peace; for angels do not desire the woeful day. The angel could have given…
Read the whole note in the consoleJamieson-Fausset-Brown on 1 Chronicles 21:28
when David saw that the Lord had answered him . . ., he sacrificed there--or, "he continued to sacrifice there." Perceiving his sacrifice was acceptable, he proceeded to make additional offerings there, and seek favor by prayer and expiatory rites; for the dread of the menacing angel destroying Jerusalem while he was absent in the center of worship at Gibeon, especially reverence for the Divine Being, led him to continue his adorations in that place which God (Ch2 3:1) had hallowed by the tokens of His presence and gracious acceptance.
Next: 1 Chronicles Chapter 22
Adam Clarke on 1 Chronicles 21:26
He answered him - by fire - In answer to David's prayers, God, to show that he had accepted him, and was now pacified towards him and the people, sent fire from heaven and consumed the offerings.
John Gill on 1 Chronicles 21:29
For the tabernacle of the Lord, which Moses made,.... Or ordered to be made by the command of God, and according to his direction:
and the altar of burnt offerings, were at that season in the high place at Gibeon; which was four or five miles from Jerusalem, and too far for David to go in that time of extremity; though he must have gone thither to sacrifice, had not the Lord bid him build an altar on the threshingfloor; for there was the altar of burnt offering, on which only, according to the law of Moses, sacrifices were to be offered: this high place is, in the Targum, called the sanctuary, it including, as Kimchi observes, the whole house, the tabernacle, and the altar in it; which had…