Development of Marcus Brutus Marcus Brutus, from the play Julius Cæsar, made many decisions. In making these decisions, he showed what kind of a person he was on a moral, intellectual, social, or practical level. Some of these decisions were good decisions and some of them were not. Through all of these decisions, though, it is shown what kind of a person Brutus was. Some of the decisions that Brutus made were not exactly the best decisions. In fact, they may be seen as mistakes. One of these mistakes that Brutus made was right at the beginning of the play, in Act 1, scene 2. Cassius