Then, after engineering the disavowal of the elected candidate, Brutus calculates

If, as his nature is, he fall in rage

With their refusal, both observe and answer

The vantage of his anger.

(II. iii. 266.)

And here are his final instructions for the behaviour of the people at the trial:

Put him to choler straight: he hath been used

Ever to conquer, and to have his worth

Of contradiction: being once chafed, he cannot

Be rein’d again to temperance; then he speaks