Where you can see tribal behavior now is in this business about teaching evolution in a science class and intelligent design. It's the scientists themselves are behaving tribally.
Kurt VonnegutTwo radical ideas have been introduced into human thought. One of them is that energy and matter are pretty much the same sort of stuff. That's Einstein. The other is that revenge is a bad idea. Revenge is an enormously popular idea but, of course, Jesus came along with the radical idea of forgiveness. If you're insulted, you have to square accounts. So this invention by Jesus is as radical as Einstein's.
Kurt VonnegutHe was seemingly born not only with a gift for language, but with a particularly nasty clock which makes him go crazy every three years or so.
Kurt Vonnegut