God gave us the Bible as our guidebook to life. I do not like to call it a rulebook because God cannot make each one of us do something. He simply opens the doors for us. If we listen to what He has to say we will follow His direction for our lives, but if we choose not to listen, He is not going to force us to go the direction He wants us to go. Prayer and the Bible should be the two things that guide our daily Christian walks with God.
Blessings in Christ,