Comment: Your claim is easily refuted

"All Scripture is inspired by God and profitable for teaching, for reproof, for correction, for training in righteousness; so that the man of God may be adequate, equipped for every good work." 2 Timothy 3:16-17

"The Lord said to Moses, 'Come up to me on the mountain and wait there, that I may give you the tablets of stone, with the law and the commandment, which I have written for their instruction.'" Exodus 24:12

"And he [Jesus] rolled up the scroll [of Isaiah] and gave it back to the attendant and sat down. And the eyes of all in the synagogue were fixed on him. And he began to say to them, 'Today this Scripture has been fulfilled in your hearing.'" Luke 4:20-21

There are countless such proofs from both Old and New Testaments that the Scriptures are the Word of God.