《资治通鉴·唐纪·唐纪二十一》
又说： 蚂蚁的洞穴可以毁掉大堤，针尖大的小孔足以泄气，权力一旦失去，要收回就极难。 
又曰： 蚁穴坏堤，针芒写气，权重一去，收之极难。 
He also said:  Ants' holes can destroy big dams, and small pinholes can leak air. Once power is lost, it is very difficult to recover it. 