David Brin is my favorite science-fiction writer and a savvy and innovative thinker. In particular, his ideas about the emotions of indignation and self-righteousness are extremely important in the current climate of ideological polarization. Here is how he explains it in a TED talk...
https://www.youtube.com/watch?v=i275AvgVvow
https://www.youtube.com/watch?v=i275AvgVvow
