This is an apologetic book, which focus its debate on the existence of God, first from the origin of everything according to the Old Testament views of the Bible, Science, and Philosophy, and then, from the revelation contained in the New Testament. The creation of the world is seen from the perspective of evolution. In addtion to answering few objections against the existence of God, it also addresses other themes related to Christianity such as the soul, miracles, original sin, and the end of the world, while giving special attention to the Resurrection of Jesus.