 Thank you very much, Jeffrey, for those opening remarks. Roger, I'm going to hand off to you right now to make your opening argument. Please tell us your case for why happiness is about feeling good rather than doing good. Well, thanks very much, Naima, and thank you, Jeffrey, for that outline of your position. The debate we're taking part in is an ancient one, and I think one could see it beginning with the death of Socrates.