Sola Scriptura

Sola Scriptura (Latin for "Scripture alone") is a doctrine of Protestantism. It teaches that the Bible is the final, sufficient, and the only infallible authority for Christian faith and practice. Church leaders and traditions are lower, fallible authorities that must be tested against the Bible.

Supporting Verses

All Scripture is breathed out by God and profitable for teaching, for reproof, for correction, and for training in righteousness, that the man of God may be complete, equipped for every good work. 2 Timothy 3:16-17 (ESV)

It says all Scripture is breathed out by God and is enough to fully prepare the believer for every good work.