《旧唐书·列传·卷一百一十九》
想要斩草除根，报仇雪恨，但身陷深宫，难对将相明说。
思欲芟落本根，以雪雠耻，九重深处，难与将相明言。
He wanted to eliminate them and settle the score, but imprisoned in the deep palace, he couldn't speak his mind to generals and ministers.