Biblical contradictions should not serve as ammunition to destroy the Bible, nor should they serve as impetus to throw out the Bible altogether.  Better that they should reveal to us that truth comes to us all in a progression!  And, we must be willing to make the journey with the Spirit of God - a daily journey being built line upon line; precept upon precept; here a little; there a little.  An unchanging God is not changing!  God is simply taking us from glory to glory.  We are engaged in a lifetime (or many lifetimes) of receiving more and more revelation from God.

Allow me to give you a glimpse at perhaps the greatest progression ever achieved by humanity.  The progression of Jesus of Nazareth...becoming the Christ - the progression of Jesus, the Savior of the Jews...becoming the Christ, Savior of the World!

In Matthew 15 Jesus responds to a Canaanite woman's pleas for help for her daughter by referring to her and her people as dogs (not even worthy of the truths that the Jewish people knew and understood)!  However, when the woman responded in faith - she jolted him out of His culturalistic, tribalistic, exclusive, limited mindset.  In other words, she awakened the Universal Christ within Jesus of Nazareth.  Jesus began as Savior of the lost sheep of Israel - but he progressed into becoming the Savior of the World! The truth is that Jesus was the Christ, Savior of the World from the beginning - but Jesus (the man) had to come to this realization about himself by way of a progression of revelation.

...From Jesus, the Savior of the lost sheep of Israel...to the Christ, the Savior of the World.  If Jesus grew in grace and truth - we also will and must follow his example!