The Jade Engraving on breathing dated back to the Warring State period (475-220 BC):
https://www.bing.com/images/search?view ... ,10&sim=11
行氣深則蓄,蓄則伸,伸則下,下則定,定則固,固則萌,萌則長,長則退,退則天。天幾(機) 舂(動) 在上,地幾(機) 舂(動) 在下。順則生,逆則死。
The movement of the qi: When it becomes deep, it stores. When itstores, it extends. When it extends, it goes downward. When it goes downward, itbecomes stable. When it is stable, it becomes strong. When it is strong, it begins to germinate. When it germinates, it grows. When it grows, it then retreats. When it retreats, it becomes Heaven. The dynamism of Heaven moves upwards and the dynamism of Earth moves downwards. Following it, one lives; opposing it, one dies.
Guo Moruo郭沫若, ‘Gudai wenzizhi bianzheng de fazhan古代文字之辩证的发展’;Kaogu
考古3 (1972), 2–13 (8).