《元史·列传·卷二十五》
伯颜是脱脱的伯父，脱脱见伯父如此骄横，十分担心，怕皇上一旦震怒，会株连他们。与父亲商议，父亲也没有主意。
脱脱虽幼养于伯颜，常忧其败，私请于其父曰： 伯父骄纵已甚，万一天子震怒，则吾族赤矣。
Boyan was Tuotuo's uncle. Seeing that his uncle was so arrogant, Tuotuo was very worried, fearing that if the emperor became enraged, it would implicate them. He discussed it with his father, but his father had no idea either.