《管子·轻重甲》
桓公说： 四夷不肯臣服，他们的叛逆政策怕会影响天下而使我受害，我们有办法解决么？ 
桓公曰： 四夷不服，恐其逆政游于天下而伤寡人，寡人之行为此有道乎？ 
Duke Huan said: The four barbarians refuse to submit, and their rebellious policies may affect the world and harm me. Is there any way we can solve it?