William Shakespeare’s play, The Tragedy of Julius Caesar, is mainly based on the assassination of Julius Caesar. The character in charge of this assassination was Marcus Brutus, a close friend of Caesar. Brutus believes he uses wise judgment in his plans to prevail over Caesar. After analyzing Brutus’ character, he makes several errors in judgment. Refusing to take an oath, not killing Antony, and allowing Antony to speak at Caesar’s funeral are the three most significant errors in judgment Brutus makes.