What does the bible say about itself?

In 2 Timothy 3:16. It says  “All Scripture is given by inspiration of God” can also be translated this
way: “All Scripture is God-breathed.”

Whenever we talk we are breathing out words. It is impossible to speak words without breathing
them out. Try holding your breath and speaking at the same time. Can you do it? The verse
above tells us that God has breathed out certain words. God has breathed out the Scriptures. “All
Scripture  is God-breathed” and this means that the whole Bible is from the mouth of God!
The whole Bible is God’s Word. “For the mouth of the lord hath spoken iit” (Isaiah 40:5).

By the word of the Lord were the heavens made; and all the host of them by the breath of his mouth.
(Palms 33:6) this is equivalent to the expression “the breath of His mouth.