《北史·本记·卷十二》
如今天下统一，文字车轨皆同，十步之内，必有芳草；四海之中，岂无孝秀之人？
方今区宇平壹，文轨攸同，十步之内，必有芳草；四海之中，岂无孝、秀。
Now the world is unified, and the characters and vehicles are the same. Within ten steps, there must be fragrant grass; Among the four seas, are there no filial and outstanding people?