《太平广记·卷一百五十三·定数八》
他曾经出去会客住在别处，与人谈话的时候涉及到做官的道路的通达或壅塞。崔朴说： 崔琯考中进士后，连续做了五任官。令狐相国七考河东廷评。六年太常博士。
常会客夜宿，有言及宦途通塞，则曰： 崔琯及第后，五任不离释褐，令狐相七考河东廷评，六年太常博士。 
He once went out to meet guests and stayed in another place, when talking with others he mentioned the way of becoming an official is either smooth or blocked. Cui Pu said: After Cui Guan passed the imperial examination, he served as a fifth-rank official continuously. Linghu Xiangguo assessed the officials in Hedong for seven times. He served as a doctor of Taichang Temple for six years.