《新唐书·列传·卷七十九》
他善于制定和执行法律制度，性情明智宽厚，详审判定大案，让几百名没有罪的人保全了性命。后死在官任上。
祐之才，待愬乃显，故曰平蔡功，愬为多。
He was good at formulating and implementing legal systems, had a wise and generous nature, and adjudicated major cases in detail, saving the lives of hundreds of innocent people. He later died in office.