Roots
Watch the talk
If you learn to truly be understanding, you'll learn to empathic, you'll learn to be tolerant and that will spill beautifully into the rest of your life.
If you do this, what you realize pretty quickly is that if you look at all the diversity in the entire world, all of the difference, even though that's pretty vast, the things that make us more similar are giant. Despite our vast diversity, we are peculiarly similar.