“How can you frighten a man whose hunger is not only in his own cramped stomach but in the wretched bellies of his children? You can’t scare him—he has known a fear beyond every other.” - John Steinbeck, The Grapes of Wrath

http://www.economist.com/node/17722932?story_id=17722932&CFID=156902477&CFTOKEN=11930683