Can you provide the verse(s) which: Say(s) Scripture is the sole authority
Have you not yet heard?
The Word is God.

John 1:1

Bless Jesus
that then He make His words known to you
`Paul

It is written in the prophets,
And they shall be all taught of God.
Every man therefore
that hath heard, and hath learned of the Father,
cometh unto Me.
John 6:45

And the men took of their victuals,
and asked not counsel at the mouth of the LORD.
Joshua 9:14