The sun allows all visible things to flourish without becoming part of it. What does this statement mean? According to Plato the real nature of the existence is Eidos, viz. Idea while the material world is the latest and poorest expression of being. The universe is plenty of ideas, each of one is unique, eternal, unalterable and complete. All of them are made of spirit. As a result we can't accept the possibility of evil. The concept of evil means not only a bad and violent behaviour aiming to destroy life in general but also corruption, decay and finally death. This general understanding of evil contradicts the platonic universe and therefore Platon rejects evil as an idea within the world of ideas. First, ideas are eternal. Assuming that evil exists means also that ideas could decay. Secondly the meaning of evil could imply that ideas participate in nature which is inconsistent with his theory of archetypes. According to Plato although nature can participate in the world ...