Conservation and rural-life policies are really two sides of the same policy; and down at bottom this policy rests upon the fundamental law that neither man nor nation can prosper unless, in dealing with the present, thought is steadily taken for the future.
"Rural Life", in The Outlook (August 27, 1910), republished in American Problems (vol. 16 of The Works of Theodore Roosevelt, national ed., 1926), chapter 20, p. 146