Joshua 4:21 in the King James Version
And he spake unto the children of Israel, saying, When your children shall ask their fathers in time to come, saying, What mean these stones?
Context
20 Joshua set up those twelve stones, which they took out of the Jordan, in Gilgal.
21 He spoke to the children of Israel, saying, “When your children ask their fathers in time to come, saying, ‘What do these stones mean?’
22 Then you shall let your children know, saying, ‘Israel came over this Jordan on dry land.