《北史·列传·卷二十八》
《礼记》上说 ：善于行路的，想让别人跟着他走；会唱歌的，希望别人跟着他唱。 
《记》曰： 善迹者欲人继其行，善歌者欲人继其声。 
The Book of Rites says: "A man who travels well wishes others to follow him, and a man who sings well wishes others to sing with him."