Natural Revelation & Bible Reliability

Today in Sunday school (Why We Believe the Bible) we talked about how Natural Revelation (truths revealed to us in nature) helps us believe in the reliability of the Scriptures. John Piper goes through a process of natural revelation that ends with a very specific question and in the Bible alone do we find the very specific answer. Here is that section from Pipers notes (taken from his Why We Believe the Bible seminar notes).