Pluck the grass to look at the wind. It is a metaphor for being good at observing things.

Source: "Wudeng Huiyuan·Yunyan Shengchan Dharma Master·Dongshan Liangzi Zen Master": "Wei said: 'Here we go to Fuling You County. The stone chambers are connected. There is Yunyan Taoist. If you can pull the grass "Looking at the wind will definitely be of great importance to you. '"

Observing the present and knowing the past refers to the development of things. It always evolves gradually over time. By observing its current state, one can deduce its original appearance.

Observe words and colors. Observe: examine in detail. Observe what other people say or look on their faces. It refers to trying to figure out other people's thoughts.

Source: "The Analects of Confucius·Yan Yuan": "A person who is upright and righteous, observes words and colors, and considers the following people."

Observe colors and colors. Look at other people's faces to figure out their thoughts.

Source: "Qianshu·Food Hard" written by Tang Zhen in the Qing Dynasty: "I am old, how can I bow my head under others' houses and observe their faces and colors in order not to offend others? I can't Also. ”

Observe and think about problems from a broad perspective and grasp the main contradictions.

Source: Lu Xun's "The Final Edition of Qie Jie Ting's Essays: Answers to Xu Maoyong and Concerning the Issues of the Anti-Japanese United Front": "It's a matter of whether the enrollment is right or wrong, gossiping, and never looking at the big picture."

Insight into everything and observe everything clearly.