The purpose of this thesis is to claim that even though there are centuries between the plays, they share and display the basic fight of the human nature which happens between the reason and the insanity. The duality of the mind actually gives life to existence of tragedy. However, concept of "madness" which is caused by this duality mostly results in violence that cannot be controlled in spite of the reason. This idea suggests that the ups and downs of the characters in the plays that have a ...