The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

儿童通过自立获得身体的独立；通过自由的使用其选择能力获得意志上的独立；通过没有干扰的独立工作获得思想上的独立。