One of the most destructive anti-concepts in the history of moral philosophy is the term 'duty.
Ayn RandWhen you see that trading is done, not by consent, but by compulsion - when you see that in order to produce, you need to obtain permission from men who produce nothing - when you see that money is flowing to those who deal, not in goods, but in favors - when you see that men get richer by graft and by pull than by work, and your laws don't protect you against them, but protect them against you - when you see corruption being rewarded and honesty becoming a self-sacrifice - you may know that your society is doomed.
Ayn RandAndrei, did you like the opera?" "Not particularly." "Andrei, do you see what you're missing?" "I don't think I do, Kira. It's all rather silly. And useless." "Can't you enjoy things that are useless, merely because they are beautiful?" "No. But I enjoyed it." "The music?" "No. The way you listened to it.
Ayn Rand