5 and Joshua said to them, Pass before the ark of Jehovah your God into the midst of the Jordan, and lift up each of you a stone [and put it] upon his shoulder, according to the number of the tribes of the children of Israel,

Matthew Henry's Commentary on Joshua 4:5

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.