Parents are content with their fate, stick to their homeland and don't know how to develop outward. This is the performance of conservative and inert forces in a closed society, and it is also the embodiment of bad habits of closed society members, which makes people "tired" and depressed. The "he" in the poem is different from his parents' ideas: he knows that there is a vast world outside the mountain, has the idea of going out of the mountain to see the sea, and even has the intention of letting the children continue to walk even if they can't walk the mountain;