It is a metaphor for strong power, rapid progress and unimpeded direction. "Zizhi Tongjian · The Seventh Year of Emperor Taiyuan of the Emperor Xiaowu of Jin": "Jian (Fu Jian) said, 'Let me attack Jin, and check its strength and weakness, just like the wind sweeping the autumn leaves.' "We teach the different regiments to be the real party army. We should fight hard against Dongjiang to show our true revolutionary spirit, so we have such a quick victory -- like the swift wind sweeping the autumn leaves." The fierce wind sweeps the yellow leaves of autumn. It is used to describe the strong and fierce force, quick action and invincibility. Zi Zhi Tong Jian, Vol. 104, Jin Ji 26, the seventh year of Tai Yuan, Emperor Xiaowu: