《北史·列传·卷十六》
源贺原名破羌，在那场战役中，皇帝对他说道： 人起名字应该保有其实，怎么能乱起呢？ 
贺本名破羌，是役也，帝谓曰： 人之立名，宜保其实，何可滥也？ 
Yuan He's original name was Po Qiang. During that battle, the emperor said to him, "A person's name should be given to him based on true merit. How can you give it so casually?" 