John Gill
INTRODUCTION TO Joshua 4 This chapter relates an order, that is men, should take twelve stones out of the midst of Jordan, and carry them to the first place they lodged at as a memorial of their passage over it, Joshua 4:1; and how Joshua set up twelve other stones in the river itself, Joshua 4:9; and how many of the tribes of Reuben, Gad, and Manasseh, went before the Israelites when they passed...
John Gill
And it came to pass, when all the people were clean passed over Jordan,.... As related, Joshua 3:17; that the Lord spake unto Joshua, saying: as follows.
Matthew Henry
This chapter gives a further account of the miraculous passage of Israel through Jordan. I. The provision that was made at that time to preserve the memorial of it, by twelve stones set up in Jordan (ver. 9) and other twelve stones taken up out of Jordan, ver. 1-8. II. The march of the people through Jordan's channel, the two tribes first, then all the people, and the priests that bore the ark...