1. The author of Scripture (v.16a) All Scripture is breathed out by God... God is the source of all Scripture. 2. The functions of Scripture (v.16b) The uses of Scripture: Scripture tells us what we are to believe "teaching" Scripture tells us what we are not to do. "reproof" Scripture tells us what we are not to believe."correction" 3. The purposes of Scripture. Scripture equips the people of God for life and ministry.