Jeremiah 31:31-34 is a very important text for understanding the relationship between the Old Covenant and the New Covenant. Pastor Grasso explains the similarities and differences between the two as given in Hebrews 8 and other parts of the New Testament, showing that the New Covenant is the fulfillment of the Old, that the way of salvation was fundamentally the same between the two, and that the New is superior in terms of efficacy.
Hebrews 8:7-13