The Bible is called the “word of God” in that God is the primary author of the Bible. … They are secondary authors, and God is the primary author, because God used these human authors as His instruments in producing this written text—as one uses a pen as an instrument in writing a note.
How did God inspire the writing of the Bible?
In my experience as a Catholic priest, one of the most commonly held accounts of biblical inspiration among Christians is that God “dictated” the Bible. According to this view, sometimes called the verbal dictation theory, God dictated each word of the sacred text to a human author who simply wrote it down.
Paul describes the Spirit’s work as “God-breathed.” Just as the Holy Spirit breathed into Adam’s nostrils, giving him life (see Genesis 2:7), so the Holy Spirit breathed into the work of the Bible’s human authors, giving the Scriptures divine life and ultimate authority for questions about faith and life.
Where in the Bible does it say all Scripture is inspired by God?
2Tim. 3 Verses 16 to 17
 All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness:  That the man of God may be perfect, throughly furnished unto all good works.
Is Bible inspired by God?
The Catholic Church holds the Bible as inspired by God, but that it does not view God as the direct author of the Bible, in the sense that he does not put a ‘ready-made’ book in the mind of the inspired person.