Outside of two instances in Paul's epistles, only the Hebrews writer in the balance of the New Testament addressed the New Covenant directly. And his treatment is the most thorough, which is not surprising given his audience and purpose for writing. In general terms, the writer's approach was to show the superiority of the New Covenant over the Old (Israelite) Covenant, and he began his argument by examining each covenant's respective priesthood and the superiority of the one associated with the New Covenant.