What is martial arts? Martial arts are fists and feet, weapons. Upholding justice is martial arts; striving for self-improvement is martial arts. A heart devoted to the Dao is martial arts; a heart embracing the world is martial arts. Facing death with equanimity is martial arts; loyalty and courage are martial arts. Killing indiscriminately is martial arts; saving all beings is martial arts. ... With the spirit of mountains and rivers, and the will of ancient and modern times, Anything that can make one's spirit as strong as iron, a spirit that fears no death, is martial arts. Zhao Xuanqi, the "world's most wanted criminal", opened the reincarnation jade. In one world after another, he pursues the true meaning of martial arts. (The author has a completed work: "Invincible Starting from the Great Success of Boxing")