I had learned from history books that the Renaissance period was referred to a period of light and humancentrism, which succeeded the Medieval ages, a period of God-centrism, also called the dark ages. I questioned why the period of God-centrism had been called the dark ages, and why Luther’s reformation had taken place. Further, if the Renaissance people had been human-centric, whether they had lived without God, or whether they had not needed Jesus. When I had studied a history for God’s glory, He has guided me to a best way spiritually and physically, and most of all let me gain an answer to my academic questions; the following lecture is based on the answer. As a Western history professor, I kept studying about Erasmus and about Renaissance humanism and received a Ph.D. (1995). I also published a book titled, Synthetic Interpretation on the Renaissance Humanism -focusing on Erasmus-like Humanists’ Religious Thoughts (Hye-An, 2011: Korean Version). This article has revised and arranged a paper to lecture at the U. S. Mid-West UBF Staff meeting, in September of 2016.