Joshua 4:6

4:6 The stones will be a reminder to you. When your children ask someday, ‘Why are these stones important to you?’

Joshua 4:21

4:21 He told the Israelites, “When your children someday ask their fathers, ‘What do these stones represent?’

Joshua 8:32

8:32 There, in the presence of the Israelites, Joshua inscribed on the stones a duplicate of the law written by Moses.