Macbeth's Tragic Flaw

Sometimes a tragic hero is created, not through his own villainy), but rather through some flaw in him, he being one of those who are in high station and good fortune, like Oedipus and Thyestes and the famous men of such families as those.' (Poetics, Aristotle). Every great tragedy is dominated by a protagonist who has within himself a tragic flaw, too much or too little of one of Aristotle's twelve virtues. In Macbeth, …

…would not have killed a man he loved and revered, an act that eventually led to his downfall. Not everybody in this world can be trusted, there are too many people who are only looking out for their own best interests. While one should not become paranoid and trust nobody, lest they become cut off from society, safeguards must be established against these fraudulent people so that they cannot take advantage of an unprepared populace.