Well, if you doubt the authority of Scripture, then we have nothing to discuss.AoS; which was brought to us by Rome; teaches that AoS is just not enough any more...
Hebrews 11:6 And without faith it is impossible to please God, because anyone who comes to him must believe that he exists and that he rewards those who earnestly seek him.
Hebrews 11:6 addenedum And without Sacrements it is impossible to please Rome, because anyone who comes to her must believe that she is supreme and that she rewards those who earnestly follow her rules.