Well the op would do well to listen to the American Christian with an open mind. He speaks true the proof is there for you to see..if you were to look. But you are to busy with your futile attempts trying to prove the truth wrong if it doesn't agree with your viewpoint whilst cherry picking the bits that you erroneously believe back up your claims.

Just saying...everyone is free to find their own path to God. Yours you believe lies with Mohammed and Allah. Mine lies with YHWH the true God of all eternity as told by all the previous prophets.

Muslims should stop trying to discredit the Bible as when you do this you also cast doubt on the Quran as a word of God.

Peace to you. :D