《太平广记·卷五十四·神仙五十四》
郑相国不久也去世了。刘费二人对那些事很保密，人们不知道那次降临的是什么真仙。沈彬
郑相国寻亦去世，刘费颇秘其事，不知所降是何真仙也。沈彬
Prime Minister Zheng died shortly after. Liu Fei kept the events secret, and people did not know what immortals had descended. Shen Bin