The ultimate test of man's conscience may be his willingness to sacrifice something today for future generations whose words of thanks will not be heard.
—Gaylord Nelson (1916-2005), former governor of Wisconsin, founder of Earth Day
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The ultimate test of man's conscience may be his willingness to sacrifice something today for future generations whose words of thanks will not be heard.
—Gaylord Nelson (1916-2005), former governor of Wisconsin, founder of Earth Day
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