The chief reason why the Christian believes in the divine origin of the Bible is that Jesus Christ Himself taught it.
John StottDo we claim to believe in God? He's a missionary God. You tell me you're committed to Christ. He's a missionary Christ. Are you filled with the Holy Spirit? He's a missionary Spirit. Do you belong to the church? It's a missionary society. And do you hope to go to heaven when you die? It's a heaven into which the fruits of world mission have been and will be gathered.
John StottTheology is a serious quest for the true knowledge of God, undertaken in response to His self-revelation, illumined by Christian tradition, manifesting a rational inner coherence, issuing in ethical conduct, resonating with the contemporary world and concerned for the greater glory of God.
John Stott