Pierce Brown said this quote

Life is the most effective school ever created. Once upon a time they made children bow their heads and read books. It would take ages to get anything across. He taps his head. But we have widgets and datapads now, and we Golds have the lower Colors to do our research. We need not study chemistry or physics. We have computers and others to do that. What we must study is humanity. In order to rule, ours must be the study of political, psychological, and behavioral science - how desperate human beings react to one another, how packs form, how armies function, how things fall apart and why. You could learn this nowhere else but here.