《太平广记·卷一百七十四·俊辩二》
太宗皇帝觉得奇怪，命令杜正伦拿着帐本对照，然后由崔仁师大声报告，结果没有发现一笔差错。
太宗大悦，即赐马五匹。后为礼部尚书。
Emperor Taizong was curious and ordered Du Zhenglun to compare it with the account book, and then Cui Renshi reported it loudly. As a result, no errors were found.