《魏书·列传·卷七》
诏令说： 大军驻扎在野外，已形成长久的疲劳，攻守的方略，按道理可以预见。
诏曰： 大军野次，已成劳久，攻守之方，理可豫见。
The imperial edict said: The army has been stationed in the field for a long time and is exhausted. The strategies of attack and defense are clearly foreseeable.