《资治通鉴·宋纪·宋纪一》
但是秃发王后却与其兄秃发虎台秘密策划说： 秦国本是我们的世仇，虽然结成了姻亲，也不过是一时权宜之计。
先王之薨，又非天命。遗令不治者，欲全济子孙故也。
But Queen Tufa secretly plotted with her brother Tufa Hutai and said: The State of Qin is our sworn enemy. Although we have become in-laws, it is only an expedient measure.