《旧唐书·列传·卷一百一十六》
不仅如此，并且要使百王遵循成规，无不幼小受教于同样的老师，长成奉行相同的治国之术，懂得为君之道本有规律，知道天伦之情出于自然，选用贤良，树为屏障。
而又俾则百王，莫不幼同师，长同术，识君道之素定，知天伦之自然，然后选用贤良，树为籓屏。
Not only should the one hundred kings follow established rules, but all should be taught in their youth by the same teachers, as adults, observe the same techniques for governing the country, understand that there are rules for being a ruler, know that familial relationships are produced by nature, and select and use virtuous and talented people, using them as safeguards. 