《北史·列传·卷二十三》
当时祖孝征、魏收、阳休之等人一起议论古代的事情，有些已经忘记了，到处找书看也找不到。
时祖孝征、魏收、阳休之等尝论古事，有所遗忘，讨阅不能得。
At that time, Zu Xiaozheng, Wei Shou, Yang Xiuzhi and others discussed ancient events together, but some of them had been forgotten. They couldn't find the books they were looking for after searching everywhere.