The author is a person who only sees and hears before, and is not confused about things. He only knows the smallest things.
Translation: Don’t be fooled by illusions about what you see and hear around you, and you can see the big truth in the small links. Words that describe strong logical thinking are insightful, well-organized, logical, from the simple to the deep, and well-organized. Interpretation: Seeing the signs of something, you can know its essence and development trend. Source: Han Bangu's "White Tiger Tongqing Xing".