Video June 18, 2019 33' 47" What’s A Teaching That Lasts A Whole Lifetime? John Tarrant Description The koan of the Autumn Moon retreat is from one of the great teachers Yun Men. The student asks the teacher, “What is a teaching that will last a whole lifetime?” and the teacher responds, “Say something in response.” October 14, 2012. Koans Teachings that Will Last a Lifetime (BCR14) Tagged 2012, 2012 Autumn Moon Retreat, Yunmen Sorry, but viewing content requires JavaScript to be enabled in your browser. Please enable this setting and reload this page. Sorry, but viewing content requires Cookies to be enabled in your browser. Please enable this setting and reload this page.