What does the Bible primarily teach?
The Bible primarily teaches what man must believe about God and what God requires of man.
2 Timothy 1:13
2 Timothy 3:16
What authority from God directs us how to glorify and enjoy him?
The only authority for glorifying and enjoying him is the Bible, which is the word of God and is made up of the Old and New Testaments.
2 Timothy 3:15-17
1 John 1:3-4