The natural law expresses the original moral sense which enables man to discern by reason the good and the evil, the truth and the lie: The natural law is written and engraved in the soul of each and every man, because it is human reason ordaining him to do good and forbidding him to sin . The Author. The natural inclination of humans to acheive their proper end through reason and free will is the natural law. Natural law ethics is one of the major ethical approaches used in Catholic … It is something given to all men as strictly binding. So, could transhumanism change the norms of natural law? The eternal law is God's wisdom, inasmuch as it is the directive norm of all movement and action. According to St. Thomas, the natural law is "nothing else than the rational creature's participation in the eternal law " ( I-II.91.2 ). The natural law is Catholic inasmuch as it is an integral part of the Catholic moral system, but it is not a subject of the supernatural revelation that Christ bequeathed to His Church. The natural law tradition as explicated by Saint Thomas Aquinas is foundational for Catholic medical ethics.

Catholicism and Natural Moral Law. . Within Catholic moral teaching, natural law arguments are commonly invoked to denounce “unnatural” and therefore immoral acts: contraception, same-sex sexual relations, and many assisted reproductive technologies, for example. Therefore, Natural Law finds its power in discovering certain universal standards in morality and ethics. Howard Kainz. "The natural law is immutable and permanent throughout the variations of history" (CCC#1958) because it is based on God-made essential human nature, which does not change with time or place, rather than man-made cultural developments, which do. Frequently misrepresented as an assertion of the autonomous power of human reason or as a uniquely Roman Catholic doctrine, natural law has actually been an integral part of orthodox Christian theology since the beginning, and is even clearly asserted in Scripture itself. Speaking at a UN conference on international law, the Vatican’s Secretary for Relations with States said that the rule of law must ultimately be based on a common understanding of natural law. Natural Law holds that the law is based on what’s “correct.” Natural Law is “discovered” by humans through the use of reason and choosing between good and evil. When God willed to give existence to creatures, He willed to ordain and direct them to an end. Here is a very brief description of the Natural Law theory of Thomas Aquinas as it affects that field of moral theology. As coming from God, the natural law is what God has produced in the world of creation; as coming to human beings, it is what they know (or can know) of what God has created. I have a bit of a different perspective since I am not a Catholic yet but am starting to learn about Catholicism. Kreeft, Peter. Holloway notes that Strauss certainly believes philosophers must be respectful of public orthodoxy, which every polity has. It is this natural law that the Catholic Church has always appealed to in defense of its prohibition of certain behaviors. Catholic Christianity: A Complete Catechism of Catholic Church Beliefs Based on the Catechism of the Catholic Church (San Francisco: Ignatius Press, 2001).