Obeying the theory of natural law is the only true and moral way to live life; above all a life lived in the image of God. The presence of God is a determining factor in obtaining a moral and virtuous life, which can only be obtained by following the theory of natural laws. God created a set of laws as the supreme guide for humans to live their lives. Like any law, these laws were created to guarantee the well-being of everyone. The laws he created are civil law, natural law and divine law. God created them from a law far superior to the others, of which only God has knowledge, the eternal law. Humans actively participate in God's eternal law by using reason in accordance with natural law to discern what is right and wrong (Magee 1). Among these laws, natural law is the most vital, natural law uses nature as a guide to morality and humanity, to decipher good from evil and moral from immoral. “Natural law theory is a theory about the relationship between morality and human nature, the theory that who we are determines how we should act” (Holt 1). Nature is a definitive guide to use in deciding what is appropriate and how God would have life lived. Natural law is used by using reason to develop knowledge of life and oneself. The theory of natural law is the only way to achieve a moral life and can be proven as a valid theory when the existence of God is proven, the explanation of nature being a guiding factor of morality is explained and the Theory is proven by examples of how ethics is applied. The existence of God, our all-powerful creator, is proven by Saint Thomas Aquinas in his Summa Theologica, where he explains his proofs. Aquinas simply uses life experience to prove the existence of God. Two...... middle of paper...... to the decision that the only true way to allow God to give humans the true enlightenment needed is to understand and obey natural law. It is essential to use natural law theory as a guideline for living a moral and virtuous life. Works Cited Archon. “Saint Thomas Aquinas 5 proofs of the existence of God”. Catholic Community Forum - The Catholic Community Forum. 2011. Internet. December 7, 2011. Holt, Tim. “Philosophy of religion” Theory of natural law. Philosophy of religions. 2008. Internet. December 06, 2011. .Magee, Joseph M. “Saint Thomas Aquinas: On Natural Law.” » Thomistic philosophy - the philosophy of Thomas Aquinas. August 27, 1997. Web. December 5. 2011. .