《旧唐书·本纪·卷十四》
总是考虑着国家这么庞大，政务这么繁多，不能亲自处理，担心造成拖延失误。
永惟四方之大，万务之殷，不躬不亲，虑有旷废。
I have repeatedly considered how I am unable to personally handle affairs of government, given the vastness of the country and the multitude of government business, and I am afraid that delays and errors will result.