《幼学琼林·卷三·器用》
汉代孟敏失手把甑掉在地上，并不再看它一眼，因为再看也无用；宋太祖说犯法有剑，是想树立自己的威信。
汉孟敏尝堕甑不顾，知其无益；宋太祖谓犯法有剑，正欲立成。
Meng Min of the Han Dynasty accidentally dropped the cooking pot to the ground, but did not look at it again because looking at it would not help, Song Taizu said "There is a sword for breaking laws" in order to establish his authority.