《旧唐书·列传·卷一百一十八》
假若一个人有做官的才干，而不让他入清流，那谁还愿替陛下承担烦琐艰巨的事务呢？
若人有吏能，不入清流，孰为陛下当烦剧者？
If a person who is capable of being an official is not allowed to enter the pure stream, then who will be willing to serve Your Majesty and take on arduous and difficult tasks?