it shows the immortal nature of the brook. men my pass by and leave. but the brook flows on forever.

**"For men may come and men may go, But I go on forever."**

This phrase is a poetic expression that reflects the transient nature of human existence compared to the timeless continuity of something else. It implies that while individuals may enter and exit the world, the mentioned entity remains eternal and unaffected by the passage of time.

**Interpretation:**

1. **Transient Nature of Human Existence:** The first part of the phrase, "For men may come and men may go," highlights the impermanence of human life. It acknowledges that people are born, live their lives, and eventually pass away.

2. **Eternal Continuity:** The second part of the phrase, "But I go on forever," contrasts the transient nature of human existence with the everlasting persistence of something else. This "something" remains unaffected by the cycle of life and death, suggesting its eternal existence.

3. **Possibilities for Interpretation:** The phrase is open to interpretation as it does not explicitly specify what entity or concept is being referred to. It allows for various perspectives, depending on the context or personal interpretation.

4. **Timeless Concepts:** The phrase can be applied to various timeless concepts such as nature, love, truth, principles, or ideas. These concepts are not bound by the limitations of human life and continue to exist beyond individual lifespans.

5. **Symbolism of Nature:** One interpretation could be that the phrase refers to the natural world. Men may come and go, but nature remains constant and eternal. It continues to evolve and thrive regardless of human presence.

6. **Symbolism of Ideas and Principles:** Another interpretation could be that the phrase represents enduring ideas, principles, or values. While individuals may pass away, the impact of their ideas and principles can persist and shape future generations.

7. **Reflection on Mortality:** This phrase also prompts reflection on the brevity of human life and the significance of leaving a lasting legacy. It encourages individuals to consider what they can contribute to the world that may endure beyond their own existence.

In conclusion, the phrase "For men may come and men may go, But I go on forever" encapsulates the transient nature of human existence compared to the eternal persistence of something else. It allows for multiple interpretations, highlighting the timeless continuity of concepts like nature, ideas, principles, or values. This phrase serves as a reminder of the impermanence of human life and the potential for leaving a lasting impact.