《贞观政要·卷八·论刑法》
所以君有一德，臣无二心，君播种忠厚之诚，臣竭尽辅佐之力，这样太平基业才不会毁灭，欢乐的歌声才会四起。
故君有一德，臣无二心，上播忠厚之诚，下竭股肱之力，然后太平之基不坠， 康哉 之咏斯起。
So if the monarch has a virtue, the courtier will not have a second thought. The monarch sows the seeds of loyalty, and the courtier will do his best to assist. Only in this way, the foundation of peace and happiness will not be destroyed, and the songs of joy will be heard everywhere. 