《旧唐书·列传·卷一百一十四》
陛下欲广开视听，亲览国史，思虑精深，能探寻安危治乱变化之本源，实为天下之大幸。 
陛下思广天聪，亲览国史，垂意精赜，鉴于化源，实天下幸甚。
Your Majesty wants to extensively listen and see, personally read the History of China, think deeply, and explore the fundamental reasons for the changes in peace and chaos. This is really a great blessing for the world.