Kabbalah.... The hidden Sola Scriptura ;) (sarc)
Sola Scriptura is an alien concept from the standpoint of Scripture:
Psalm 19
1. To the chief Musician, A Psalm of David:
2. The heavens declare the glory of God; and the firmament proclaims his handiwork:
3. Day to day utters speech, and night to night expresses knowledge...
:)