The invention of Bob Dylan with his guitar belongs in its way to the same kind of tradition of something meant to be heard, as the songs of Homer.
I don't think I've ever seen pie advertised. That's how you know it's good. They advertise ice cream and other desserts. They advertise the bejeezus out of yogurt, but I haven't seen one pie commercial.
I was a student at Peking University for close to a decade, while a so-called 'knowledge explosion' was rapidly expanding. I was searching for not just knowledge, but also to mold a temperament, to cultivate a scholarly outlook.