This classic collection of Zen koans offers a profound gateway into the heart of Chan (Zen) Buddhist practice. Compiled by the 13th-century Chinese monk Ekai, known as Mu-mon, The Gateless Gate presents forty-eight enigmatic cases designed to jolt the practitioner beyond rational thought and into direct realization. Each koan, often paradoxical or disarmingly simple, functions not as a riddle to be solved but as a tool for spiritual awakening-challenging deeply held assumptions and disrupting ordinary patterns of mind. Rooted in the rich tradition of Chinese Zen, the text reflects centuries of monastic dialogue and disciplined introspection. With its blend of cryptic dialogue and sudden gestures, it explores themes of identity, perception, and the limits of language. A foundational text in Zen literature, it continues to challenge and inspire those seeking insight beyond conventional understanding.