All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness: - 2 Timothy 3:16 KJV
The Bible was written by approximately 40 human authors, yet it is the result of the Holy Spirit´s supernatural work.
God is the true author.
The Biblical authors were persuaded that they were recipients and messengers of the divine revelation.
The Spirit of the LORD spake by me, and his word was in my tongue. - 2 Samuel 23:2 KJV
In the Bible, there are more than 2,000 instances of such expressions as:
Thus saith the LORD ... - Jeremiah 19:1 KJV
The word of the LORD came expressly unto ... - Ezekiel 1:3 KJV
Based on I WILL GO by Alejandro Bullón