《旧唐书·列传·卷三十》
当时皇子年幼的多担任都督、刺史，遂良上疏说： 从前两汉靠郡国治理人民，除郡以外，分立诸子，分割疆土，杂用周朝的制度。
时皇子年幼者多任都督、刺史，遂良上疏曰： 昔两汉以郡国理人，除郡以外，分立诸子。割土分疆，杂用周制。
At that time, many young princes held the posts of military governor and prefect. Sui Liang wrote a memorial, saying: "In the past, the two Han dynasties governed the people through counties and prefectures, with their sons enfeoffed outside the counties, dividing the territory, and using the system of the Zhou dynasty.