Ultimately, we will discover that God created the physical oneness of sex to serve as a visible image, or type, of the spiritual union that exists between Christ and the church. Though it may seem at first that we are diverging far from the primary topic of sexual purity, you will quickly see the relevance of our discussion. Many of history’s greatest theologians built their theology around the idea that the image of God and his purposes could be seen in all facets of human existence.