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If you want to understand function, study structure.
The true way is along a rope that is not stretched at any great height but just above the ground. It seems more designed to make people stumble than to be walked upon.
The market is a reflection of human nature, and human nature never changes.
释义:善于把握事物本质的人,不会违背金属和水的本性;善于制作器物的人,不会改变物体的形状和用途。