《国语·晋语·公子重耳夷吾出奔》
狄国与晋国不交往我们正好可以隐蔽下来，与邻国结怨多我们可以与它共担忧患。
不通可以窜恶，多怨可与共忧。
Di State and Jin State are rivals, which provides us a cover; it is wise to make many enemies to some neighbors and share woes with them.