The derivation of an ethical code from purely secular "worldly" concerns begins in Ancient Greece with the philosophical study of nature. The Hebrew term for ''nature'' is not found in the Bible.<ref>{{cite book|url=http://books.google.com/books?id=LT1V8Xgz1EUC&printsec=frontcover#v=onepage&q=hebrew&f=false|author=Leo Strauss|title=Natural Right and History|pate=80}}</ref> Hence, natural law, natural justice, and natural rights are Hellenic in origin. Greek and Roman philosophers, while not atheists, nevertheless built their ethnical philosophy from natural considerations. | The derivation of an ethical code from purely secular "worldly" concerns begins in Ancient Greece with the philosophical study of nature. The Hebrew term for ''nature'' is not found in the Bible.<ref>{{cite book|url=http://books.google.com/books?id=LT1V8Xgz1EUC&printsec=frontcover#v=onepage&q=hebrew&f=false|author=Leo Strauss|title=Natural Right and History|pate=80}}</ref> Hence, natural law, natural justice, and natural rights are Hellenic in origin. Greek and Roman philosophers, while not atheists, nevertheless built their ethnical philosophy from natural considerations. |