Cassius was a good leader in the book Julius Caesar by William Shakespeare. He is not the typical good-hearted leader. He manipulated the people around him. When Cassius was trying to manipulate Brutus into joining his conspiracy against Caesar, Brutus was quite disturbed by Cassius. Brutus finally gave in when Cassius reminds Brutus of his noble ancestry and of the expectations of his fellow Romans in Act 1 scene 2. Joining Cassius, the confused Brutus was still unsure of what to do. To accomplish his goal of removing Caesar from power, he resorts to using his keen insight into human nature to deceive Brutus by means of a long and passionate argument in Act 4 scene 3.