In China's literary treasure house, there are abundant famous sayings, proverbs, idioms and allusions, such as "carving a boat for a sword, drawing cakes to satisfy hunger, sizing up the situation, thinking about it day and night, Carving a boat for a sword: to deny that matter is in motion and look at the problem from a static point of view. Painting cakes to satisfy hunger means exaggerating the dynamic role of consciousness, without realizing that consciousness cannot replace matter. Assess the situation: it refers to the organic combination of exerting subjective initiative and respecting objective laws and conditions. Thinking during the day and dreaming at night: it means that matter determines consciousness, and consciousness is the reflection of the human brain on objective things. The tree wants to be quiet, but the wind will not stop: it means that matter exists objectively, and the movement, change and development of things are independent of human will.