In this Teisho, given on January 17, 2021, Rinzan Pechovnik Osho examines "The Blue Cliff Record, Case 17: Kyorin's "Sitting Long and Getting Tired." Kyorin faced with Ummon's question, "What is this?" for thirty years, sitting with great faith, great doubt, and great determination. How do we develop these qualities in our own practice? How do they show themselves in our own lives?