"Those who contemplate the beauty of the Earth find reserves of strength that will endure as long as life lasts. There is symbolic as well as actual beauty in the migration of birds, the ebb and flow of tides, the folded bud ready for spring. There is something infinitely healing in the repeated refrains of nature - the assurance that dawn comes after the night and spring after the winter." - Rachel Carson, Silent Spring, 1962.

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