The Question and Answer section for Robert Frost: Poems is a great resource to ask questions, find answers, and discuss the novel.
The speaker wants to begin life again except in harmony with nature rather than apart from it.
Frost seems to appreciate the wall, though, he appreciates what it represents even more. Mending the wall is a tradition..... and an excuse to work together, socialize, and get to know someone you might otherwise not know.
The neighbors repair the wall by filling in the gaps and replacing the boulders that have fallen out.