《旧唐书·列传·卷一百二十四》
山川遥远，眷念不已；朕定当克制自己，以与卿诚意相符。 
山川既遐，睠属何已，必当克己，以副乃诚。 
Though we are separated by vast mountains and rivers, I miss you deeply; I will definitely discipline myself to live up to your sincerity and good faith.