By mastering Tai Chi techniques internally, Tai Chi masters will be able to apply the technique "Using 4 ounces to move 500 kg (1000 pounds)" or " Rou Ke Gang " (Master Chen Xiaowang explains this concept as the heart of Taiji Quan, demonstrating that true martial mastery comes from skillful application of internal principles, not just external strength) "Using 4 ounces to move 1000 pounds," perfectly captures the core principle of advanced Tai Chi (Taiji Quan) where internal power (Qi/Chi), rel