《魏书·列传·卷二十六》
九年，刁雍上表说： 臣听说安不忘乱，是先圣的执政思想。
九年，雍表曰： 臣闻安不妄乱，先圣之政也。
For nine years, Diao Yong has submitted a memorial, saying: Your servant heard that “never forgetting danger even in tranquil times” is the governing principle of the ancient sages.