He utilizes climbing birches and returning back to earth as an analogy for the innovative, hazard remove a portion of life, before the "certainties" of life assume control for every one of us: Below are the 3 metaphors Frost uses:
<span>When I see birches bend to left and right Across the line of straighter, darker trees, I like to think some boy's been swinging them. But swinging doesn't bend them down to stay. Ice storms do that. Often you must have seen them (5)
</span><span>Such heaps of broken glass to sweep away You'd think the inner dome of heaven had fallen. They are dragged to the withered bracken by the load, And they seem not to break; though once they are bowed (15) </span>
<span>Loaded with ice a sunny winter morning After a rain. They click upon themselves As the breeze rises, and turn many-colored As the stir cracks and crazes their enamel. Soon the sun's warmth makes them shed crystal shells (10)</span>
