children. sons.
your God.. special various reading called Sevir (App-34), with some codices and four early printed editions, read "their God".
as long as. all the days.
Related Commentaries of Deuteronomy 31:13
Deuteronomy 31:13
13 And that their children, which have not known any thing, may hear, and learn to fear the LORD your God, as long as ye live in the land whither ye go over Jordan to possess it.