"Books are the way that we communicate with the dead. The way that we learn lessons from those who are no longer with us, that humanity has built on itself, progressed, made knowledge incremental rather than something that has to be relearned, over and over."
解释:外表不端正的人,是因为德没有养成;内里不专—的人,是因为心没有治好。端正形貌,整饬内德,使万物都被掌握理解。