ThiThe argument Paul is making is becoming clearer to me now. The entire book of Hebrews is the statement of superiority of the New Covenant over the Old. The examples of Abraham being spiritually beneath Melchisedec and paying him tithes, places Melchisedec in elite territory as a type of Christ. Because the Jews and the Levites all descended from Abraham they all paid the tithe making them all inferior. The Christ and His types are above men and their systems. God's way is the way through Christ. Open your ears, your eyes, and your heart to the message of God via Jesus our Savior.
Jesus has been raised to sit as the High Priest of the New Priesthood. He has been called to replace the men of the tribes of Aaron and Levi. The Old Priesthood is now dead and the new is alive and rich in love and mercy. The Old Testament was not inclusive enough for God. He had to open the door to His entire creation to be saved. This is above any squabble but it plain to read that God intended to replace Moses's Law with the Law of Christ. Do we know the Law of Christ? Do we trust in Him to provide for us and see the truth in His Word? Live a comparative life to Christ. Even our shortcomings are not as severe as they could be. Recognize the things we do follow in spite of our constant failures. Be not hard on one's self when we admit our imperfection. Realize that the perfection we seek is only held in Heaven, until Heaven is upon this Earth.