What can the experience of the ancient Vietnamese give to the residents of a modern metropolis? How did it become possible to transfer the fighting style from Vietnamese masters to modern Russia? Is it possible to combine the absolute peace of Zen meditation with the amazing speed of movements and strikes delivered by Tam Kui fighters? The attentive reader will receive answers to all questions first-hand. The book talks about the technique, origin and philosophy of the Vietnamese martial art Tam Quy Khi Kong. It is addressed to a wide range of readers interested in martial arts, the culture of the East, and the philosophy of Zen Buddhism. The title “The Teaching of Emptiness” accurately expresses the essence of martial art based on the principles of Zen. From a motley mixture of aphorisms, parables, memories of the master and descriptions of key techniques, a living image of the martial arts school emerges as a unique tradition of educating the body and spirit. The narration consolidates the image of the author - master and teacher Tam Kui: even where the figure of the narrator remains outside the text, he is invariably present his spirit and desire to convey the true philosophy of the Tam Qui School.