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Men and nature must work hand in hand. The throwing out of balance of the resources of nature throws out of balance also the lives of men.

Roosevelt, Franklin D. (1938). “Public Papers of the Presidents of the United States: F.D. Roosevelt, 1935, Volume 4”, p.60, Best Books on
Men and nature must work hand in hand. The throwing out of balance of the resources of nature throws out of balance also the lives of men.