He only says good fences make good neighbors spring is the Mischief in me and I wonder if I could put a notion in his head why do they make good neighbors isn't it where there are cows but here are no cows but I built a wall and I asked to know what I was Walling in or Walling out and to whom I was like to give offense which theme does this excerpt from the poem mending Wall Express

The theme expressed in this excerpt from the poem "Mending Wall" is the question of boundaries and the reasons behind building walls or fences. It explores the idea of whether fences are necessary or beneficial in fostering good relationships between neighbors. The speaker wonders why good fences make good neighbors, particularly in a context where there are no cows to contain. The theme of this excerpt can be interpreted as the questioning of societal norms and the motivations behind establishing physical boundaries.