《史记·三十世家·宋微子世家》
等到祖伊因周西伯昌修行德政，灭亡璿后，微子担忧灾祸降落殷朝，便又多次劝谏纣王。
及祖伊以周西伯昌之修德，灭国，惧祸至，以告纣。
When Zu Yi followed the Zhou’s King Wen to practice moral administration and destroy Xuan Hou, Weizi was worried about the disaster that would fall on the Shang dynasty, so he advised King Zhou many times again.