《元史·列传·卷六十七》
宪宗听取了这个意见，就命希亮以北平赵衍为师，当时希亮年仅九岁，不到百日就能赋诗。
宪宗从之，乃命希亮师事北平赵衍。时方九岁，未浃旬，已能赋诗。
Emperor Xianzong heeded the suggestion, and ordered Xiliang to study with Zhao Yan as his teacher in Beiping. Xiliang was only nine years old at that time but he could write verses in under a hundred days.