Be immeasurably great, be unfathomably deep; make certain that names and results tally, examine laws and customs, punish those who act willfully, and the state will be without traitors.

Admire the diamond that can bear the hits of a hammer. Many deceptive preachers, when critically examined, turn out to be false.

From your place of darkness observe the defects of others. See but do not appear to see; listen but do not seem to listen; know but do not let it be known that you know. When you perceive the trend of a man's words, do not change them, do not correct them, but examine them and compare them with the results.