《南齐书·列传·卷五十七》
当初，元度自己说臂上有封侯的痣，宋世显示给世祖，这时世祖在束宫，写信给元度说： 努力达到臂上的吉相。 
初，元度自云臂上有封侯志，宋世以示世祖，时世祖在东宫，书与元度曰： 努力成臂上之相也。 
Initially, Yuan Du himself said that he had a mole on his arm that indicated he would be appointed a marquis, and Song Shi showed it to Emperor Shi Zuo. At this time, Emperor Shi Zuo was in the Shu palace and wrote a letter to Yuan Du, saying: Work hard to achieve the auspicious sign on your arm.