《元史·本纪·卷二十七》
仁宗想立他为太子，他却进见太后，极力推辞说： 我年幼无才，况且还有兄在，应立兄长，我愿辅佐他。 
仁宗欲立为太子，帝入谒太后，固辞，曰： 臣幼无能，且有兄在，宜立兄，以臣辅之。 
Emperor Renzong wanted to establish him as the prince, but he went to meet the empress dowager and strongly declined, saying: "I am young and incompetent, moreover, I still have an elder brother. The elder brother should be established, and I am willing to assist him. " 