Joshua 4:6

Jos 4:6 That this may be a sign among you, [that] when your children ask [their fathers] in time to come, saying, What [mean] ye by these stones?

Ver. 6. That this may be a sign. ] We stand in need of all helps. The Israelites had their fringes and phylacteries to immind them; and of all things, God cannot abide to be forgotten. Psa 9:16-17