《元史·列传·卷六十八》
天子驾临上都，因经筵讲臣多年事已高，命虞集和集贤侍读学士王结携经书跟随。从此常随帝行。
天子幸上都，以讲臣多高年，命集与集贤侍读学士王结执经以从，自是岁尝在行。
When the emperor arrived at the Northern Capital, because the lecturer for the throne was already quite advanced in years, Yu Ji and the Hanlin student Xu Wang Jie were ordered to accompany the emperor and bring the classics with them. After this he often accompanied the emperor on his travels.