Constantly using his body as a place to practice Taoism, Xiong Wei, who strives to use the martial art of tai chi to prove Laozi's philosophy, notes that the Dao De Jing includes these lines: "Is not the space between heaven and earth like a bellows?
一直以自己的身體為道場，希望用太極武學應證老子之學的熊衛表示，《道德經》中有句話：「天地之間，其猶橐籥乎？