In this Teisho, given during No-Rank's Rohatsu sesshin on January 17th, 2024, Rinzan Osho examines case 10 of the Hekiganroku: Bokushus's "Empty Headed Fool." Our modern mind has lost much of its capactiy to feel into and relate to the world in ways that are deep and intimate. Koan study allows us to enter a different way of being and relating if only we are willing to step out of the shallows.