yin & yang (duality) and bā-guà (the eight trigrams)

balance book buddha calligraphy changes chaos chinese ching cosmic duality elements energy essential feng forces fortune geomancy grunge gua harmony hieroglyphs infinity japanese karma magic mandala materia meditation mystic nature occult opposites oracle paradox philosophy prima primordial retro round shui sign symbol synergy synthesis talisman tao transformation trigrams unity universal vintage wheel yang yin yoga zen