Israel forced these guys to interact with society in ways that intellectuals normally don’t. They had to fight in the military. Every few years they were being pulled back on their reserve duty, and there was an expectation that you were going to be useful. So Danny Kahneman, if you meet him and get to know him, what he would have been if he had just stayed in France and World War II hadn’t happened, he would have been an intellectual who had nothing to do with the world around him. And Israel forced him to be useful. And once he figured out he could be useful, it became intoxicating.