《资治通鉴·唐纪·唐纪五十五》
哪种做法有利有害，是非常清楚的，希望陛下心中不要再有疑虑了。
利害甚明，愿圣心勿疑。
Which course of action is beneficial and which is harmful is very clear. I hope that Your Imperial Majesty will no longer have any doubts in your heart.