Crafty men contemn studies, simple men admire them, and wise men use them; for they teach not their own use; but that is a wisdom without them, and above them, won by observation.

狡黠的人轻视学问，浅薄的人仰慕学问，明智的人运用学问；学问本身不教人如何运用它，那是通过观察获得、在书本之外且高于书本的智慧。