《礼记·乐记》
由此可见，面色和善发自内心而民众莫不乐于听从，动作中规展现于外而民众莫不乐于顺从。
故德辉动于内，而民莫不承听；理发诸外，而民莫不承顺。
From this we can see that a kind face comes from the heart and the people are happy to obey, and the action of following the rules is shown outside, and the people are happy to obey.