It is generally believed that Bruce Lee is a martial arts master and a kung fu star. But this understanding is not comprehensive. Bruce Lee not only studied martial arts, but also studied philosophy, psychology, Zen, poetry, writing, art and many other aspects. Mr. John Ritter, Chairman of Bruce Lee Education Foundation, USA, is the most authoritative author of Bruce Lee's work, life, training and philosophy. He is the only person authorized by Bruce Lee Heritage to use and read all private letters, sketches and reading notes of Bruce Lee. The Artist of Life, compiled by John Ritter according to Bruce Lee's works before his death, contains Bruce Lee's martial arts experience, philosophical papers, psychological articles and poems. He told the world that Bruce Lee was not only a martial artist, but also a living artist.