For their error, noted, Numbers 31:14-16, and withal for a memorial, as it is said Numbers 31:54, or by way of gratitude for such a stupendous assistance and deliverance, as appears from the word therefore in the beginning of this verse, and from Numbers 31:49.
Related Commentaries of Numbers 31:50
Numbers 31:50
50 We have therefore brought an oblation for the LORD, what every man hath gotten,e of jewels of gold, chains, and bracelets, rings, earrings, and tablets, to make an atonement for our souls before the LORD.