He also uses personification a couple lines above when he says, about the rocks, "We have to use a spell to make them balance;/ "Stay where you are until our backs are turned!"" (pg. 889) He talks to the rocks as if they are people, and that they can hold back their falling until the men have gone away. One line on page 890 of the text repeats the first line "Something there is that doesn't love a wall," which leads you to believe there is a greater significance in that line. It is the same with the line "Good fences make good neighbors" which is said in one line on page 889 and the last line on page 890. .
Frost's Birches is filled with examples of personification. "When I see birches bend to left and right / But swinging doesn't bend them down to stay / After a rain. They click upon themselves / Soon the sun's warmth makes them shed crystal shells / They are dragged to the withered bracken by the load,/ And they seem not to break; though once they are bowed/ So low for long, they never right themselves:" (pg. 894) these lines gives the impression that the birches have control over their movements and position. The line "Like girls on hands and knees that throw their hair/ Before them over their heads to dry in the sun." (pg. 894) is an examples of a simile in which Frost uses the word "like" to compare the birch trees to girls even though we know there is virtually no way that a birch tree could be like a woman. The line "Then he flung outward, feet first, with a swish," (pg. 894) is an instance where Frost uses the literary technique onomatopoeia, in which the word sounds like the noise it describes, using the word swish. In one part of the poem, Frost uses syntax again by putting words in the wrong order, "Broken across it, and one eye is weeping/ From a twig's having lashed across it open." (pg. 894) He doesn't change the order of the words for it to rhyme, so it is seemingly irrelevant as to why he does it.
