We know that the Word was in the beginning with God and that the Word is God. (John 1:1 In the beginning was the Word, and the Word was with God, and the Word was God.) Therefore it cannot be a black book filled with letters and words.
Power of Agreement
Matthew 18:19 Again I say unto you, That if two of you shall agree on earth as touching any thing that they shall ask, it shall be done for them of my Father which is in heaven.
Authority of the Bible
We all know that every Christian —including me— quotes the Bible to confirm whatever he believes. We also know that beliefs which contradict each other can all be defended with Scripture. So what can we trust?