The diamond sutra is is one of the most important portion in the Great Prajna-Paramita Sutra, it stand as the “first Sutra” in the Dharrma. Furthermore, starting from the Sixth Patriach of Ch’an Sect, this Sutra has been traditionally utilized as the chief resorting basis for “Mind-Verification” by both patriachs and general Ch’an practitioners; hence it is also deemed as the First Sutra by this virtue.