《资治通鉴·唐纪·唐纪十三》
陛下如今要立魏王为太子，希望先安置好晋王，只有这样政局才得稳定。 
陛下今立魏王，愿先措置晋王，始得安全耳。 
Your Majesty now wants to establish King Wei as the crown prince. It is hoped that King Jin will be properly settled first. Only in this way can the political situation be stabilized.