《黄帝四经·十大经·前道》
一句话就可以使君主获利的，这便称作 士 ；一句话就可以使国家获利的，这便称作 国士 。
壹言而利之者，士也；壹言而利国者，国士也。
Those few words can bring profits to the Monarch are called "Gentlemen"; those few words can bring profits to a country are called "Countrymen of the state".