So it is said, for him who understands Heavenly joy, life is the working of Heaven; death is the transformation of things. In stillness, he and the yin share a single Virtue; in motion, he and the yang share a single flow.
Zhuangzi, The Complete Works of Chuang Tzu
death, flow, heaven, joy, life, life-and-death, stillness, tao, taoism, transformation, unity, way, yang-and-yin, yin-and-yang