After 9/11, we had to look at the world differently. After 9/11, we had to recognize that when we saw a threat, we must take it seriously before it comes to hurt us. In the old days we'd see a threat, and we could deal with it if we felt like it or not. But 9/11 changed it all.
A courage which looks easy & yet is rare; the courage of a teacher repeating day after day the same lessons - the least rewarded of all forms of courage.
Science ... looks skeptically at all claims to knowledge, old and new. It teaches not blind obedience to those in authority but to vigorous debate, and in many respects that's the secret of its success.
Fear and euphoria are dominant forces, and fear is many multiples the size of euphoria. Bubbles go up very slowly as euphoria builds. Then fear hits, and it comes down very sharply. When I started to look at that, I was sort of intellectually shocked. Contagion is the critical phenomenon which causes the thing to fall apart.
You look at something like health care, the Affordable Care Act. And for all the controversy, we now have 20 million people who have health insurance who didn't have it. It's actually proven to be more effective, cheaper than even advocates like me expected.