《新唐书·列传·卷十一》
金树暗自命令左右数人装作与诸养子游戏，到晚上，进入阁内，偷偷地断其弓弦，又取刀矛肖藏于床下。
金树潜令左右数人伪与诸养子戏，至夕，入閤，绝其弓弦，又取刀槊聚床下。
Jinshu secretly ordered a few people on the left and right to pretend to play with the adopted sons. In the evening, he entered the pavilion, secretly cut off their bowstrings, and put the knives and spears under the bed.