 (Dumoulin, p 97) Some scholars note the similarity with a poem called Mind Inscription by Niu-t'ou Fa-jung (594-657) (Gozu Hõyû 牛頭法融) of the Oxhead school of Chan and have speculated that the Xinxin Ming is an abridged version of the Mind Inscription.The classical source of the Xinxin Ming can be found in the Transmission of the Lamp (Wade–Giles