However, as the common saying goes, the way of Heaven reduces the excess to supplement the deficient. The way of man, however, is the opposite, it reduces the deficient to serve the excess. Our cultivation of Qi Refining, in essence, is to go against the heavens, but sometimes, we must observe nature, evolve nature, to deduce a more advanced path from it.
And it is said that the ancestor of the Leisure Sect, Jiuxiao Daoist Lord, during the time he soared in the Jiuxiao with Unparalleled Lightness Skill, wandering beyond the sky, observed that at the center of a typhoon or a convective cloud cluster, the air near the ground converged and rose, the air in the high-altitude area would flow from the outer high-pressure area to the top of the central low-pressure area to supplement it, forming a strong updraft. At this time, the airflow in the vertical direction 'falls' from the high-pressure area to the low-pressure area.
