The Philosophy Of Life According To Macbeth In the tragedy of Macbeth written by William Shakespeare, Macbeth is perceived as a man of vision; yet, he goes through times in his life where he has grown to be accustomed to insanity. Macbeth's life is based around one philosophy that he has come to create in his mind (after enduring the two most major tragedies im his life), the loss of his wife, and when Birnam Wood advances on Dunsinane, which in turn caused his world to fall apart. Although he thinks life is insignificant, he still fights on. Macbeth's philosophy is, as he would say it, "a tale told by an i