Video from The Thomistic Institute
Five Ways to Prove God Exists (Aquinas 101)
“Ever since the creation of the world his invisible nature, namely, his eternal power and deity, has been clearly perceived in the things that have been made.” (Romans 1:20) The writings of ancient pagan philosophers confirmed the biblical teaching that it is possible for human beings to know the existence of God without having ever read the Bible. For this reason, Aquinas taught that human beings have a natural knowledge of God, that we can know the existence of God by using our reason. We may not directly see Him, but from what we do see and experience of the natural world, we can infer that something must be behind it all. Something is responsible for the greatness, the beauty, and the order of the world; and this is what all men call God. The Five Ways (Aquinas 101) - Fr. James Brent, O.P." from video introduction.