Part I: Questions about God, Man, and Sin
15. Q. Who wrote the Bible?
A. Holy men who were taught by the Holy Spirit.
(Click through to read scriptural proofs.)
…knowing this first of all, that no prophecy of Scripture comes from someone’s own interpretation. 21 For no prophecy was ever produced by the will of man, but men spoke from God as they were carried along by the Holy Spirit.
Brothers, the Scripture had to be fulfilled, which the Holy Spirit spoke beforehand by the mouth of David concerning Judas, who became a guide to those who arrested Jesus.
All Scripture is breathed out by God and profitable for teaching, for reproof, for correction, and for training in righteousness….
Concerning this salvation, the prophets who prophesied about the grace that was to be yours searched and inquired carefully, 11 inquiring what person or time the Spirit of Christ in them was indicating when he predicted the sufferings of Christ and the subsequent glories.
Scripture quoted from the English Standard Version.
Taken from A Catechism for Girls and Boys found here.