In 'Invictus,' 'pole to pole' symbolizes the constant guidance and stability represented by the North Star, Polaris, in the sky.
Pole to pole in the context of the poem "Invictus" refers to the celestial center, symbolized by the North Star, Polaris. The North Star is used as a metaphor for steadfastness and guidance, much like how the North Star remains fixed in the sky and all other stars revolve around it.
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