《史记·三十世家·孔子世家》
等他成年后，曾给季氏做过管理仓库的小吏，出纳钱粮算得公平准确；也曾担任过管理牧场的小吏，牲畜繁育得很好。
及长，尝为季氏史，料量平；尝为司职吏而畜蕃息。
When he came of age, he worked as a minor official managing warehouses for the Ji household, fairly and accurately handling payments; he also worked as a minor official managing pastures, seeing to it that livestock reproduced well. 