100
"He would be crowned;/How that might change his nature, there's the question./It is the bright day that brings forth the adder, / And that craves wary walking." is said by this character as a means to justify his decision. Explain what was being justified and who said it.
What is it is not known how Caesar would act as king, but the metaphor suggests he would be like a dangerous snake. Brutus has decided it is too big a risk to take and that Caesar must be killed.