《太平广记·卷三百六十五·妖怪七》
驿将见杜悰骨气不一般，心里想，这也许是个贵人，如果在这过夜而没有什么灾难，必将做宰相。
驿将见悰骨气非凡，内思之，此或贵人。若宿而无恙，必将相也。
The station master felt that Du Gong was a man of integrity and thought that he might be a nobleman. If nothing happened to him here, he would surely become a prime minister.