Natural law can be described as a system that purports its intrinsic values based on human nature, which can be applied independently. The natural law theory states that every person is entitled to inherent rights that are neither conferred by legislation but through natural reason or God. Plato’s work was based on a republic that majored in political philosophy, ethics, and metaphysics. According to Plato, he grouped politics into four tyranny, democracy, timocracy, and oligarchy. He believed humans are selfish in nature; therefore, they can destruct democracy. Also, Plato states that we live in an ordeal universe whose basis of nature is forms and the most fundamental is the form of good because good is the cause of everything. Therefore,