In this passage, Mona introduces a quotation that encapsulates the book’s central idea. One can’t see what one isn’t looking for, is essentially what the quotation cited here suggests. So Mona and her team of pediatricians at Hurley didn’t only need to know their stuff as medical professionals—they also needed to know what life in Flint was really like, and how the many social, economic, and environmental problems in Flint stood to affect their young and vulnerable patients. By opening up their minds first, their eyes would help them to see even the most obscure problems and roadblocks.