《战国策·齐四·齐人有冯谖者》
于是请他来相见，并道歉说： 田文每日为琐事所烦，心身俱累，被忧愁弄得神昏意乱，而且生来懦弱笨拙，只因政务缠身，而怠慢了先生。
请而见之，谢曰： 文倦于事，愦于忧，而性懦愚，沉于国家之事，开罪于先生。
So he invited him to meet him, and apologized saying: "Tian Wen is troubled by trivial matters every day, and is exhausted both physically and mentally. He is so muddle-headed from anxiety, and was born cowardly and clumsy, therefore he has neglected you due to being tied up with official business."