《三国志·吴书·王楼贺韦华传》
当时蔡颖也在东宫，他一向喜受下棋，太子孙和认为下棋没有益处，故让韦曜来论说此事。
时蔡颖亦在东宫，性好博奕。太子和以为无益，命曜论之。
At that time, Cai Ying was also in the East Palace. He always liked to play chess, but the crown prince Sun He thought that playing chess was not beneficial, so he asked Wei Yao to discuss this matter.