Why doesnt Brutus want Cassius to take bribes?

Brutus values honor and integrity above all else, so he does not want Cassius to tarnish their cause by engaging in corrupt activities like taking bribes. He believes that their actions should be driven by noble intentions and not tainted by greed or dishonesty. By refusing to take bribes, Brutus upholds his commitment to principled leadership and sets a moral example for others to follow.