写作是探索灵魂未知领域的过程。

Every child should have mud pies, grasshoppers, water bugs, tadpoles, frogs, mud turtles, elderberries, wild strawberries, acorns, chestnuts, trees to climb, brooks to wade in, water lilies, woodchucks, bats, bees, butterflies, various animals to pet, hayfields, pine-cones, rocks to roll, sand, snakes, huckleberries and hornets; and any child who has been deprived of these has been deprived of the best part of education.

经常静坐思考，来收拢思想；减少饮酒色欲，来清理思想；摒除嗜好情欲，来修养思想；体味古人教训，来警戒思想；悟察至理名言，来明确思想。