Genjo Marinello Osho gave this Teisho on the fifth day of Rohatsu Sesshin 2018. This talk explores the core teaching of the Zen tradition as demonstrated by Zen Master Roso Houn (Luzu Baoyun), a Dharma Heir of Baso Doitsu and Dharma Brother to Nansen and Hyakujo. It also explores how to enter samadhi when exhausted, dull or full of doubt.