1. But that is not what Luther said.
2. Your second line is not true; the bible does not address many things that we can easily know through reason alone, but this does not mean that such things are false. Perhaps you ought to say “All reason contradicting Scripture is false.”
Reason does not contradict Scripture.
All knowledge is not contained in the Bible, but all the knowledge God wants us to know regarding salvation and our position in His universe is contained in the Bible.
And even this Rome gets wrong.