*All quotes are taken from The Norton Shakespeare, based on the Oxford Edition.
I am assuming that this question stems from Brutus' speech made to the Roman public after Caesar's assassination (Act III, Scene ii). In his speech, Brutus is asking for his Fellow Romans' understanding in this matter. He wants them to understand that his actions were for the good of Rome ("not that I loved Caesar less, but that I loved Rome more." 20-21). Brutus' speech is reminiscent of Cassius when he was trying to convince Brutus to join the conspiracy.