We listen to views that make us feel good, instead of ideas that make us think hard. - Adam Grant

What evidence would change your mind?” If the answer is “nothing,” then there’s no point in continuing the debate. You can lead a horse to water, but you can’t make it think.

Americans see independence as a symbol of strength, viewing interdependence as a sign of weakness

Polarization is reinforced by conformity: peripheral members fit in and gain status by following the lead of the most prototypical member of the group, who often holds the most intense views.