《晋书·列传·第四章》
吴国互球距塞坠七百余里，经常造成边境麻烦，差祜对此忧虑，竞用计谋让吴国守令放弃守备。
吴石城守去襄阳七百余里，每为边害，祜患之，竟以诡计令吴罢守。
Wu State's border defense is more than 700 li from the border fort, often causing border conflicts. Cha Hu worried about this, and used a tactic to make the Wu State defenders give up their defense.