But King David said to Ornan, “No, but I will buy them for the full price. I will not take for the LORD what is yours, nor offer burnt offerings that cost me nothing.”
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.
Commenting on 1 Chronicles 21:18-30
And king David said to Ornan, Nay; but I will verily buy it for the full price: for I will not take [that] which [is] thine for the LORD, nor offer burnt offerings without cost. (l) That is, as much as it is worth: for having enough of his own, and yet to have taken of another man's goods to offer to the Lord would...
For the full price - That is, six hundred shekels full weight of pure gold.