Joshua 4:8
So the children of Israel did as Joshua gave them orders, and took twelve stones from the middle of Jordan, as the Lord had said to Joshua, one for every tribe of the children of Israel; these they took across with them to their night's resting-place and put them down there.
Joshua 1:16-18
Then they said to Joshua in answer, Whatever you say to us we will do, and wherever you send us we will go.
Joshua 4:2-5
Take twelve men from the people, a man for every tribe,
Joshua 4:20
And the twelve stones which they took out of Jordan, Joshua put up in Gilgal.