“The terms or substance of the New Covenant are the same as that of the Old Covenant, obedience to the Ten Commandments. However, the New Covenant is a better promise, a promise by God to write His laws into the hearts and minds of the people of Israel, and to remember their sins no more.”
Yes, we as Christians (Gentiles) are grafted into the vine and heirs to God’s promises made to Abraham. The terms of the New Covenant are based on the terms of the Old Covenant, that being God’s 10 commandment law and obedience. In the New Covenant, he made the Old Covenant “better”.
Where is this new thing described and who are the parties involved in this new thing?