《三国志·蜀书·刘彭廖李刘魏杨传》
中郎郭演长是跟随别人的想法，不足以与他谈论大事，却让他担任侍中。
中郎郭演长，从人者耳，不足与经大事，而作侍中。
Zhonglang Guo Yanchang only follows other people's ideas and is not fit to discuss major issues with, but he has made him a Court Attendant.