Albert Barnes' Notes on the Whole Bible - Deuteronomy 5:3
The “fathers” are, as in Deuteronomy 4:37, the patriarchs, Abraham, Isaac, and Jacob. With them God did indeed make a covenant, but not the particular covenant now in question. The responsibilites of this later covenant, made at Sinai by the nation as a nation, attached in their day and generation to those whom Moses was addressing. read more
The Pulpit Commentary - Deuteronomy 5:2-3
The covenant at Horeb. Here spoken of as distinct from the older covenant made with the patriarchs ( Genesis 15:1-21 ; Genesis 17:1-27 .). I. ITS RELATIONS TO THE COVENANT MADE WITH THE FATHERS , It was not a new thing absolutely. It rested on that older covenant, and on the series of revelations which sprang out of it. It could not disannul that older covenant ( Galatians 3:17 ). It could not run counter to it ( Galatians 3:21 ). It must, though "superadded,"... read more