"The Importance of Lineage: A Thicket of Razor Sharp Thorns" is Dosho's talk for Sunday Open Zen on July 29, 2018. In the talk, Dosho talks about the what, why, and how of our Zen lineage, briefly introduces the life of Hakuin Zenji, and shares a story from about 1220 when all ancestors of modern Rinzai and Soto sat together in the same room.