9 And Joshua put up twelve stones in the middle of Jordan, where the feet of the priests who took up the ark of the agreement had been placed: and there they are to this day.

Matthew Henry's Commentary on Joshua 4:9

Commentary on Joshua 4:1-9

(Read Joshua 4:1-9)

The works of the Lord are so worthy of rememberance, and the heart of man is so prone to forget them, that various methods are needful to refresh our memories, for the glory of God, our advantage, and that of our children. God gave orders for preparing this memorial.