The Three-Body Problem is a well known sci-fi novel by the Chinese author Liu Cixin, recently renderer by a Netflix series. In the Chinese Internal Arts we traditionally recognize three main energetic centers located in or correlated to the physical body: from physical energy to psychic energy, the internal journey may be obscure and detailed at the same time.

Outside a traditional path only lies delusion, exacly where many practitioner find themselves in modern Yoga or Meditation approaches. When you see a traditional map, you understand why that's the case.