Authority can mean different things to different people. For example, some document or other may be authoritative for particular group even though it's not reliable. It's just that the group has accepted that document as authoritative for their group. And some documents are truthful and reliable but they are ignored, so they have no authority for that particular group.
D. A. CarsonThe Christian's whole desire, at its best and highest, is that Jesus Christ be praised. It is always a wretched bastardization of our goals when we want to win glory for ourselves instead of for him.
D. A. CarsonThere is a certain kind of maturity that can be attained only through the discipline of suffering.
D. A. Carson