如果从外在出发，我们永远都掌握不了事物的真正本质。无论付出多大努力，我们得到的只是一些图像和名称。有时候，我们像一个勾画城堡草图的人绕着城堡寻找入口但一无所获。
We can never arrive at the real nature of things from without . However much we may investigate , we can never reach anything but images and names . We are like a man who goes round a castle seeking in vain for an entrance , and sometimes
