The Shōbōgenzō is the recognized spiritual masterpiece by the thirteenth-century Japanese Sōtō Zen Master Eihei Dōgen. It is comprised of discourses that he gave to his disciples, in person or in writing, at various times between 1231 and his death twenty-two years later at age fifty-three. These discourses cover a wide range of topics pertinent to those in monastic life though often also relevant to those training in lay life. He discusses matters of daily behavior and religious ceremonial as well as issues involving the Master-disciple relationship. He also explores the deeper meaning that informs the so-called Zen kōan stories, which often puzzle readers by their seeming illogicality and contrary nature.
Dōgen Zenji (道元禅師; also Dōgen Kigen 道元希玄, or Eihei Dōgen 永平道元, or Koso Joyo Daishi) was a Zen Buddhist teacher and the founder of the Sōtō Zen school of Buddhism in Japan.