This sentence comes from Laozi, so we can't intercept one of them. Laozi advocates the rule of inaction, and the weak wins the strong. A gentle and strong husband means humility, casualness and safety, and is good at adapting to the environment and guiding the situation. Tao has a low status, but it is invincible. "The world is a friend of the world. You often win by static, and take static as the next step. "