Natural Law consists of a set of universal and unchanging moral principles accordance with nature. According to Positive Law theory, law is nothing than a collection of valid rules, commands, or norms. According to others, law is a vehicle to protect the individual rights, to attain justice or economic, political or gender equality. According to a dictionary law is the whole system of rules that everyone in a country or society must obey. According to Marxist theory, law cannot be a neutral body of rules which guarantees liberty and legality.