John Gills Exposition of the Bible Commentary - 2 Samuel 24:25
And David built there an altar unto the Lord ,.... After he had made the purchase: and offered burnt offerings and peace offerings ; the one to expiate the sin or sins committed, the other to give thanks for the intimation given, that the plague would be stayed upon this: so the Lord was entreated for the land ; was pacified and prevailed upon to remove the pestilence from it; which was signified by fire descending upon the altar of burnt offering, which showed the sacrifice was... read more
Matthew Henry's Complete Commentary - 2 Samuel 24:18-25
Here is, I. A command sent to David to erect an altar in the place where he saw the angel, 2 Sam. 24:18. This was to intimate to David, 1. That, upon his repeated submission and humiliation, God was now thoroughly reconciled to him; for, if the Lord had been pleased to kill him, he would not have accepted an offering, and therefore would not have ordered him to build an altar. God's encouraging us to offer to him spiritual sacrifices is a comfortable evidence of his reconciling us to himself.... read more