When a superior man hears the Tao, he practices it diligently; when a sergeant hears the Tao, he lives or perishes; when a junior man hears the Tao, he laughs. Not smiling is not enough for the Tao. Therefore, there is a suggestion: the way to enlightenment is like ignorance, the way to advance is like retreat, and the way to confusion is like treacherous. The highest virtue is like a valley, the great truth is like humiliation, the broad virtue is like inadequacy, the built virtue is like stealing, the quality is like sincerity; generosity has no corner; great tools are easy to achieve; great sound has no sound; elephants are invisible; Tao is hidden and nameless.
