Introduction -
Thomas Aquinas posited five proofs for the existence of God in his Summa Theologica, one of the most influential theological philosophy treatises in history. For Aquinas, one need not look beyond the evidence of the natural world to find reasons to believe in God, a presence without which motion, natural design or physical existence itself would be impossible. Aquinas sought to modify many of the rational systems that had been in place for centuries, such as the arguments attributed to Anselm. In his way, Aquinas tried to resolve the mystery of faith with a growing desire to introduce some notion of ...