Poison Blossoms from a Thicket of Thorn

"Hakuin Enkaku Zenji (1686-1769) was one of the greatest Zen masters to ever live. In additional to being the author of the most famous koan ever written, "What is the sound of one hand clapping?" he is credited with reviving the Rinzai sect of Zen in Japan, perhaps the most important and most rigorous branch in the Golden Age of Buddhism. His "So