Joshua 4:5

4:5 Joshua told them, “Go in front of the ark of the Lord your God to the middle of the Jordan. Each of you is to put a stone on his shoulder, according to the number of the Israelite tribes.

Joshua 23:7

23:7 or associate with these nations that remain near you. You must not invoke or make solemn declarations by the names of their gods! You must not worship or bow down to them!