Well, let's see what WAS added...
Deu 5:22 "These words the LORD spoke to all your assembly, in the mountain from the midst of the fire, the cloud, and the thick darkness, with a loud voice; and
He added no more. And He wrote them on two tablets of stone and gave them to me.
{/quote]
But He did add some more. He added the book of the covenant which expanded on the ten words. Then He added Leviticus. All Moses means is that He did not add any more to the two tablets. The ten words (not commandments) were part of the suzerainty treaty from Exodus 20.2 - 17. It was an abbreviation of the Law (or more correctly The Instruction). Are you suggesting that the rest was less binding? THE TORAH included all five books.
Jer 7:22 For I did not speak to your fathers, or command them in the day that I brought them out of the land of Egypt, concerning burnt offerings or sacrifices.
Jer 7:23 But this is what I commanded them, saying, 'Obey My voice, and I will be your God, and you shall be My people. And walk in all the ways that I have commanded you, that it may be well with you.'
And who was He speaking to? Israel.
But actually Jeremiah was wrong if taken literally. God did speak to them of burnt offerings and sacrifices. He had been exhorting them to burnt offerings and sacrifices while the plagues were on. That was their motive for leaving Egypt. He commanded them concerning the Passover sacrifices on the very time they left Egypt. He commanded the redemption of the firstborns (Exod 13.13).
What then did Jeremiah mean? He was simply saying that burnt offerings and sacrifices were not God's primary concern. What was His primary concern was obedience to His will.
Burnt offerings and sacrifices were added.
As I have shown you this was not so. You are just a little careless in your interpretation. You don't THINK.
So, once we are saved there is no need for Law? OK...
Isa 2:1 The word that Isaiah the son of Amoz saw concerning Judah and Jerusalem.
Isa 2:2 Now it shall come to pass in the latter days That the mountain of the LORD's house Shall be established on the top of the mountains, And shall be exalted above the hills; And all nations shall flow to it.
Isa 2:3 Many people shall come and say, "Come, and let us go up to the mountain of the LORD, To the house of the God of Jacob; He will teach us His ways, And we shall walk in His paths." For out of Zion shall go forth the law, And the word of the LORD from Jerusalem.
Note the parallel between the 'instruction' and the 'word of YHWH'. God's instruction went out of Jerusalem when the Apostles and others left Jerusalem to take the Gospel to both Jews and Gentiles. The mountain of YHWH and the house of the God of Jacob refers to the spiritual Jerusalem spoken of in Gal 4.20-30.
I guess Isaiah should have consulted with you before recording this Millennial prophecy.
This prophecy has nothing to do with a future millennium. There will be no future millennium. What is spoken of in Rev 20.4-6 is occurring NOW. You err not knowing the Scriptures nor the power of God.