《吕氏春秋·纪·季冬纪》
贤明的君主一定是亲自了解士，所以士能竭尽心力，直言相谏，而不避其祸。
贤主必自知士，故士尽力竭智，直言交争，而不辞其患。
A wise monarch should personally understand scholars, so that scholars can exert themselves, give advice, and not avoid the danger.