《汉书·传·爰盎晁错传》
今御史大夫晁错建议说： 兵几百万，单独交给群臣不可靠，陛下不如亲自率兵，让晁错留守。
今御史大夫错议曰： 兵数百万，独属群臣，不可信，陛下不如自出临兵，使错居守。
The Grand Minister of Imperial Censors, Chao Cuo now proposes: Several million troops alone cannot be relied on to be commanded by the ministers. I would suggest that your majesty personally leads them and has Chao Cuo guard the city.