The idea of an expert at the front of the room explaining something to you is a necessary model in many fields. But what you learn from that experience is very different when you discover it for yourself, than when someone tells you their answer. When you step into the liberal art classroom, you are doing an entirely different sort of activity. We don't read plato because he's going to tell us what justice is. We read plato as en to sharpen our capacity to ask the fundamental questions that are implied by or by any kind of commitment o respiration to justice.