《晋书·列传·第四章》
策书说： 皇帝派谒者杜宏告知已故侍中、太傅钜平成侯羊祜：过去吴国不恭敬，凭仗险阻妄称君号，边境不得开拓，已经经历了多年。
策曰： 皇帝使谒者杜宏告故侍中、太傅钜平成侯祜：昔吴为不恭，负险称号，郊境不辟，多历年所。
The report stated: The emperor sent the usher Du Hong to inform the late Imperial Attendant, Grand Tutor and Marquess Ju of Ju Cheng, Yang Hu: In the past, the Kingdom of Wu was disrespectful, relying on dangerous obstacles to falsely claim the title of Emperor, and the border could not be expanded, after many years.