Genjo Marinello Osho gave this Teisho during the Sept. 11,  2016 mini-sesshin at Chobo-Ji.  It begins with a very telling story of Genjo's trip to NYC in late October of 2001. Iron Grindstone Liu was the principle Dharma Heir to Zen Master Guishan Lingyou (771–854)  (Jpn. Isan Reiyū).