Its theme is the conflict between tradition and innovation.
Quote 1: Something there is that doesn’t love a wall, That sends the frozen-ground-swell under it And spills the upper boulders in the sun, And makes gaps even two can pass abreast.
Quote 2: I let my neighbor know beyond the hill; And on a day we meet to walk the line And set the wall between us once again. We keep the wall between us as we go. To each the boulders that have fallen to each.