What is the central idea in Shakespeare's play Julius Caesar?

The central idea in Shakespeare's play, Julius Ceasar, is that Aspiration and Conflict. Caesar is an incredible man and an aggressive man. His aspiration is the thing that stresses Brutus and eventually prompts Brutus joining the intrigue to kill Caesar. Cassius is likewise an extremely goal-oriented man, and on the grounds that he is so envious of Caesar's energy, wishes to murder him to acquire control for himself.