4:6 That this may be a sign among you, [that] when your {c} children ask [their fathers] in time to come, saying, What [mean] ye by these stones?
(c) God commands that not only we ourselves profit by this wonderful work, but that our posterity may know the cause of it, and glorify his Name.
4:6 A sign - A monument or memorial of this day's work.
4:1-9 The works of the Lord are so worthy of rememberance, and the heart of man is so prone to forget them, that various methods are needful to refresh our memories, for the glory of God, our advantage, and that of our children. God gave orders for preparing this memorial.
