《资治通鉴·魏纪·魏纪五》
颜渊说： 东野子驾车，马力已经用尽了，但仍不停地向前驱赶，终将毁掉马匹。 
颜渊曰 东野子之御，马力尽矣，而求进不已，殆将败矣。 
“Yan Yuan said: ‘Dongyezi drove his carriage and when the horses were exhausted, he still urged them on and in the end ruined his steeds.’ ”