A Look at the Theme of Separation in the Poetry of Robert Frost The creation of borders and boundaries has been around since the beginning of civilization. The division of property and possessions among individuals establishes a sense of self-worth. The erection of fences and walls keeps property separate. Walls also serve as a means of separating worlds. Modern society demands the creation, and maintenance of these boundaries. In his poems, “The Tuft of Flowers,” and “Mending Wall,” Robert Frost explores the role that walls play in our lives. He examines how the lives of men are both separated, and drawn together by wal