1. Ask the canal how clear it is because it comes from a source of living water. The implication is that the water is clear because there is a source of living water constantly pouring into it. It implies that if people want to have a clear mind, they must study hard and add new information from time to time. Knowledge.
2. Therefore, people often use it as a metaphor to continuously learn new knowledge in order to reach a new realm. People also use these two poems to praise a person's knowledge or artistic achievements, which has its own profound origin. Readers can also get inspiration from this poem. Only when the mind is always active, with an open and broad mind, accepts all kinds of different ideas, fresh knowledge, and is broadly tolerant can we continue to have new ideas and new ideas. These two lines of poetry have been condensed into the commonly used idiom "source of living water", which is used to metaphor the source and driving force of the development of things.