唐太宗向来注重选拔人才,严格选拔任用贤能志士。他常常叮嘱右仆射封德彝说:“官是民之父母,一个官吏就能决定人民的安危和苦乐,所以在选用时一定要谨慎行之。要知道用一个好人,就如同引一条沟渠,人才就如水流般都进来了。但是一旦用了一个庸人,其他庸才就会蜂拥而至。” Taizong Tang has always been focusing on the selection of qualified personnel, strictly selecting and employing wise men. He often told the right servant to delineate De-Yi: “Officials are the parents of the people and a government official can determine the safety and happiness of the people. Therefore, we must exercise caution in choosing them. A ditch, talent comes in like a stream of water, but once used a mediocre, other mediocre will flock to. ”