“Were we all mad? What mystery in human genes accounted for the fact that men and women could override their personal survival instincts when the fate of the tribe or the collective was at stake? What was it that enabled people to give their lives for an idea, for the freedom of others? Why was the heroic impulse so strong? What I found most bewildering and extraordinary was the real happiness and fulfillment that came along with commitment. Life acquired unequivocal meaning, purpose, and direction. It was a sensation of complete, utter complicity, a visceral, emotional bond with hundreds of anonymous faces, an intimacy of multitudes in which any feeling of loneliness or isolation simply evaporated. In the struggle for everyone's happiness, the first happiness one found was one's own.”