become a symbol of ultimate betrayal throughout literature and popular culture It displays the treachery of a trusted companion turning against their friend or leader Caesar's shocked response highlights the universal theme of betrayal and its devastating impact on trust and relationships Shakespeare's use of this line has immortalized it as a powerful symbol of betrayal As Caesar falls he realizes the depth of Brutus's betrayal highlighting the theme of trust's fragility This moment resonates with audiences because it portrays the ultimate betrayal by someone considered a friend Impact on Brutus's Character Caesar's dying words have a profound impact on Brutus's character Despite his role in Caesar's assassination Brutus is deeply affected by Caesar's betrayal and his dying words haunt him throughout the play Brutus reflects on the consequences of his actions While Caesar s power in Rome was short in life his effect on these men and Rome was incredible Brutus speaks before his death O Julius Caesar thou art mighty yet In conclusion Caesar's dying words Et tu Brute from Shakespeare's Julius Caesar carry profound significance It symbolizes betrayal by a trusted friend and impacts the character of Brutus Shakespeare masterfully uses this moment to explore themes of loyalty betrayal and the consequences of one's actions This makes it one of the most memorable lines in literature