《魏书·列传·卷八十五》
况且如今魏朝强大胜过晋氏，我们燕国势力弱于吴、蜀，但愿能够按时派遣世子入朝，以奉行大国的诏令。
况魏强于晋氏，燕弱环境吴蜀，愿时遣世子，以恭大国之命。
Moreover, now the Wei court is more powerful than the Jin clan, and our Yan state is weaker than Wu and Shu, so we should send the crown prince to court on time to follow the orders of a powerful nation.