What Is Authority The concept of authority seldom appears in the Old Testament. It is used predominantly  in the New Testament, where the word exousia function in at least four way.
Scripture taken from the New King James Version Luke 7:1-10, Romans 13:1, 9:21, Acts 1:7, 1Co 9:18, John 1:12, Acts 1:7, 1 Co 8:9, Matt 9:6-8, Luke 10:19