Who incites you to anger and hatred? Steer clear of them. Don't listen to them, says the great Roman orator and statesman Cicero, though there are those "who believe [such anger] to be great and manly."
The truly wise, however, see more clearly. They don't see common enemies, they see common humanity.
The task of great civic leaders is to lead us out of the tribalism and polarization that tears at society, and foster the kind of culture where we are united in seeking the wellbeing of all.