"Avoid that which an enemy tells you to do; for if you follow his advice, you will smite your, knees with the hand of sorrow. If he shows you a road straight as an arrow, turn from it and go the other way."

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How far men go for the material of their houses! The inhabitants of the most civilized cities, in all ages, send into far, primitive forests, beyond the bounds of their civilization, where the moose and bear and savage dwell, for their pine boards for ordinary use. And, on the other hand, the savage soon receives from cities iron arrow-points, hatchets, and guns, to point his savageness with.

— Henry David Thoreau