In the book of Hebrews chapter 7 and 8 the Apostle Paul speaks about a new and better covenant. This new covenant, or second covenant, has made obsolete the first covenant of the Law given to Moses, for his people. As with a second Will that a person makes to distribute an inheritance, so also this second covenant with his people that God made through Jesus, supersedes the Law of Moses. Because it was made after the first one, just like someone updating their Will, the updated Will is the one legally in effect when that person dies. Hebrews chp. 8:13 says “In speaking of a new covenant,” he has made the first one obsolete.’
Hebrews 8:9 says that this new covenant is not like the first covenant. Paul explains in these chapters of Hebrews that the Law was not able to deal with the consciousness of sin. The Law revealed and exposed sin. The Law dealt with sin through the outward rituals of the flesh. Laws about drink, food, and washing of the body. Atonement for sin was dealt with by the shedding of animal blood. These rituals had to be performed continually to try to alleviate sin.
The sacrifice of Jesus in the death of his own body on the cross for the atonement of sin, was done once for all eternity. Jesus will remain the High priest of God forever. Jesus the Son, is the new covenant that God has established with his people. God has made Jesus the way to himself. Jesus states ‘I am the Way, the Truth, and the Life’. No one comes to God except through me. ‘