The new covenant was prophesied in Jeremiah 31: The two covenants are termed “first” and “second” (Heb. Ezek. So each time we drink the cup of the Lord's Supper, we are to remember that the shedding of the blood of Jesus is how the new covenant was established. Access to salvation under the New Covenant makes this “a better covenant” than the covenant at Mount Sinai, because the New Covenant “was established on better promises” (Hebrews 8:6). 19:4–6; 20:2). 37:26). God proclaimed the first covenant, the Mosaic covenant, as flawed because of the inability of the people to fulfill their part of the deal. This promise of the New Covenant, cited in the New Testament (Hebrews 8:6-13; 10:16-17), had echoed down the ages in the consciousness of pious Jews. "This cup is the new covenant in [or by] my blood". If it failed then He did not know something, or did not realize something, or somehow the plan was flawed – and He would not be God. Ultimately, all human beings throughout history will have an opportunity for eternal life as part of the New Covenant. These scriptures have been explained above in Hebrews Chapter 8 & 10, Daniel 9:27. The covenant is established on better promises (v. 6). So when Jesus lifted a cup, blessed God, and spoke the Words of Institution over it, the hair must have risen on the necks of all the disciples. Many features show the new covenant as being superior. In the Old Covenant, God also established that the way to atone for sin is through the shedding of blood (Hebrews 9:22). When Christ delivered the new he took away the first. The need for this new covenant is evident. Instead of physical prosperity, the New Covenant promises salvation from sin and eternal life with God.
The new covenant was ratified through the blood of Jesus Christ. This was a design that He established from before the beginning of the world. 7:22). 8:7). The New Covenant was established between God and the individual Christian (John 3:16), with Jesus Christ serving as mediator. God made it and we are not to bargain with Him but accept it fully. 8:6). God established the Mosaic covenant just after the prospect anticipated in Genesis 15 had taken place: the emancipation of Abraham’s descendants from oppression in a foreign land (cf. Exod. Because His love, and His promise to Abraham, superseded the demands of the Mosaic covenant, God did away with the old covenant and made the "new covenant" in Christ's blood (Hebrews 8:8-13). This new covenant is the “new testament” (Heb. It is “a better covenant, which was established upon better promises” (Heb.
Besides serving as the sacrifice, Jesus also became the new high priest (Hebrews 4:14-16). “By so much was Jesus made a surety of a better testament” (Heb. He used Jeremiah 31:31 to show that even their beloved Jeremiah expressed the new covenant as being better. However, the specific term (berit hadashah) is found only here in the Old Testament. The covenant that was established at Sinai has been broken by Israel. Not only did his death pay for our sins, it also ended the old covenant and began the new. The Old Covenant was never intended to save us; in fact, “the old written covenant ends in death; but under the new covenant, the Spirit gives life” (2 Corinthians 3:6, NLT). 9:15). The “New Covenant” was established with the Messiah when he died on the cross, he shed his blood, and became an eternal sacrifice for Israel and All Mankind (Acts 10). It did not fail, because simply He was demonstrating the very same foundations that the New Covenant would then be built on. 15:13–14; cf. The concept of a “new covenant” is found elsewhere in the prophets (e.g. Just as the old covenant was made before all the promises were delivered, so also the new covenant has been established before all its promises are completely given. The Mosaic Covenant. The New Covenant Prophesied in Jeremiah 31.