Tai chi () is the universal principle behind birth and transformation. Though tai chi has no form, shape, sound nor colour; all forms, shapes sounds and colours are born and transformed through it. … And so tai chi simply refers to stillness and movement, while and refer to tai chi.
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In tai chi chuan, because the principles are based on the transformation of tai chi () - movement and stillness, and as well as opening and closing - one seeks stillness in movement and movement in stillness. Movement is primarily a study of empty and full, which refer back to and . Students should first know about the principles of stillness and movement in and before proceeding with their studies.
Wu Kung-tsao