"We suppose that the energy making the wheel rotate is probably the same as the one spreading through the acupuncture meridians. In China, though, this energy has not been used only for healing, but also for fighting. This is the so-called "soft"
martial art (Wu-Shu) where the enemy can be defeated without any physical contact, simply with an energy "shoot". Some parts of the body can be hardened this way so one can withstand extremely strong hits. This martial art is unknown except for in China, making
it quite incredible and difficult to imagine."