I see the first two verses used a lot to say the Law has changed. If we keep reading, we can see that isn’t the case. God doesn’t change His Law, He changes the location of it. In Deuteronomy 6 + 11, it is commanded that God’s instructions are to be put on our hearts. As we see through the history recorded in the Bible, people didn’t do this and broke the covenant. In the new Covenant, God isn’t relying on us to put it on our hearts, He is doing it for us.

6:6 These words, which I command you today, shall be on your heart;

11:18 Therefore you shall lay up these words of mine in your heart and in your soul….