《宋书·志·卷二十八》
白玉下面有一块大石头，其中有一只龟长二尺余，当时人们认为是他恢愎封国的兆头。
玉下有大石，其中有龟长二尺余，时人以为复国之祥。
Beneath the white jade was a large rock that had a tortoise over two Chi long inside. People at the time believed that it was a sign that he would regain his fiefdom.