Philosophers have used two different theories to prove that on some level human nature and the universe are connected. However, these theories, the "Stoic Doctrine of Natural Law" and the "Theory of Knowledge", differ in their approaches to studying human nature. Empiricists and rationalists used the "Theory of Knowledge" to express their own ideas of the Universe. The "Stoic Doctrine of Natural Law" theorized that the natural world has an order that can be explained …showed first 75 words of 466 total…

…showed last 75 words of 466 total…To me these questions and theories are necessary to understanding how human nature and it's thought processes or it's ability to reason are connected with all other scientific studies. So in conclusion, If we, as humans, are unable to question ourselves about our beliefs or knowledge of oneselves and develop an argument against question or doubt of that knowledge. How will we ever be able to seperate true knowledge and fact from feelings and beliefs?