"For night's swift dragons cut the clouds full fast, And yonder shines Aurora's harbinger; At whose approach ghosts wandring here and there Troop home to church-yards.... For fear lest day should look their shames upon, They willfully exile themselves from light, And must for aye consort with black brow'd night."

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I should study Nature's laws in all their crossings and unions; I should follow magnetic streams to their source and follow the shores of our magnetic oceans. I should go among the rays of the aurora, and follow them to their beginnings, and study their dealings and communications with other powers and expressions of matter.

— John Muir