Profesor ekonomije Art Craden u pismu studentima ekonomije, via Mankiw.
Dear student, I once thought as you do. I once carried about the same misconceptions, the same litany of cognitive biases, and the same adolescent desire to blame others for my errors. I was (and remain) very poorly served by my immaturity. As shocking as it may seem, I still cling to a lot of it, even after four years of college, five years of graduate school, and now five-and-a-half years as a professor. Economics is hard, but becoming a responsible member of a free society is very, very, very hard. I’m still learning to put aside childish things. I hope you will do the same. Start now. The effort is daunting, but the rewards are substantial.
Razumijevanje ekonomije i svih međuzavisnih faktora i učinaka nije jednostavno. Ne postoje neke očite istine koje samo neki znaju, a drugi ih ne žele prihvatiti. Ekonomija se nekad naziva polu-ozbiljno znanost očitog, a dobar ekonomist onaj koji ima čvrst zahvat očitog. Kritike koje neki serviraju u par minuta razmišljanja, bez troška i kao očite mogu uzeti dane i tjedne za kvalitetan odgovor. George Stigler je stoga predložio da nagradimo kritičare čija kritika dovede do plodnog rada, a oporezujemo one čija kritika ispadne kriva. Opet, polu-ozbiljno.
Daniel Kahneman u svojoj knjizi vidio to kao dva uma – jedan brzi i intuitivan, drugi racionalan i promišljajući.