《新唐书·列传·卷六十四》
张九龄与严挺之、萧诚很要好，严挺之厌恶萧诚的巧言阿谀，劝张九龄不要与他来往。
九龄与严挺之、萧诚善，挺之恶诚佞，劝九龄谢绝之。
Zhang Jiuling had a very good relationship with Yan Tingzhi and Xiao Cheng. Yan Tingzhi hated Xiao Cheng's flattery and advised Zhang Jiuling not to associate with him.