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?'
*Minor differences ignored. Grouped by changes, with first version listed as example.
And he spoke unto the children of Israel, saying,.... At the same time he set up the stones:
when you children shall ask their fathers in time to come, saying,
What mean these stones? See Gill on Joshua 4:6.
*More commentary available at chapter level.