<P> Et tu , Brute ? ( pronounced ( ɛt ˈtuː ˈbruːtɛ ) ) is a Latin phrase meaning `` and you , Brutus ? '' , made famous by its occurrence in William Shakespeare 's play Julius Caesar , where it is uttered by the Roman dictator Julius Caesar to his friend Marcus Brutus at the moment of the former 's assassination . The Latin expression first occurs in Elizabethan literary texts . The quotation is widely used in the English - speaking world to signify the unexpected betrayal by a person , such as a friend . </P>
as caesar is stabbed who says et tu brute
Julius Caesar