Zen Master Eihei Dogen of the 13th century is one of the greatest Buddhist thinkers of all time. His poetic and enigmatic thought places him as one of the key figures for understanding the wisdom of the Japanese Zen tradition. His unique religious language and imagery greatly influenced Japanese thought from ancient to modern times. Reading his writings and poems, one faces the deep and eternal questions concerning time, birth and death, as well as the concrete ethical dimensions of religious life and the Zen path.