"Do not let arguments of expediency persuade you. That is the slow road to oblivion. That is the tortured path to undoing step by step, bit by bit, as the river creates a canyon, the way of life that we love."

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There can be nothing in the world more beautiful than the Yosemite, the groves of the giant sequoias and redwoods, the Canyon of the Colorado, the Canyon of the Yellowstone, the Three Tetons; and our people should see to it that they are preserved for their children and their children's children forever, with their majestic beauty all unmarred.

— Theodore Roosevelt