《资治通鉴·隋纪·隋纪八》
曹珍说： 我久闻图谶上说李氏应当为王，今天李轨也参加了这一谋划，这是天命。 
曹珍曰： 久闻图谶李氏当王；今轨在谋中，乃天命也。 
Cao Zhen said, "I've long heard the prophecies saying that the Li family should be the king, and today Li Gui also participated in this plan. This is the will of heaven."