Included in this volume are Suzuki s famous study “Enlightenment and Ignorance, a chapter on “Practical Methods of Zen Instruction, the essays “On Satori — The Revelation of a New Truth in Zen Buddhism and “History of Zen Buddhism from Bodhidharma to Hui-NÍng (Yeno), and his commentary on “The Ten Cow-herding Pictures which have long been used in Zen to illustrate the stages of spiritual progress.