““Fundamental to our analysis is the assumption that the population, as individuals or groups, behaves “rationally,” that it calculates costs and benefits to the extent that they can be related to different courses of action, and makes choices accordingly.…Consequently, influencing popular behavior requires neither sympathy nor mysticism, but rather a better understanding of what costs and benefits the individual or the group is concerned with, and how they are calculated.””
![“[Norden] said, with the Mark 15 Norden bombsight, he could…” quote by Malcolm Gladwell](https://sms4smile.com/quotes/img-quotes/565/malcolm-gladwell-348_barrels_norden-said-with-the-mark-15-norden-bomb_62474.jpg)
