《资治通鉴·唐纪·唐纪十三》
太宗将军中的物资粮草、器械、文书簿录等全都委派给岑文本管理，文本夙兴夜寐，勤勉不怠，亲自料理调配，计算用的筹码、书写用的笔从不离手，心力耗竭，言谈举止颇与往日不同。
上悉以军中资粮、器械、簿书委岑文本，文本凤夜勤力，躬自料配，筹、笔不去手，精神耗竭，言辞举措，颇异平日。
Emperor Taizong entrusted all logistical supplies, equipment, and archives to Cen Wenzhi for management. Wenzhi worked tirelessly day and night, personally attending to all matters. He constantly carried accounting tokens and writing brushes. As the work took its toll, Wenzhi's demeanor became noticeably different.