Source: Nature and human nature (1951), p. 37 as cited in: Laura Thompson (1961) Toward a science of mankind. p. 84
“We are able to breathe, drink, and eat in comfort because millions of organisms and hundreds of processes are operating to maintain a liveable environment, but we tend to take nature's services for granted because we don't pay money for most of them.”
Eugene Odum (1975) A Bridge Between Science and Society as cited in: Edward Goldsmith (2002) " Ecology – a bridge http://www.edwardgoldsmith.org/737/"
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Eugene P. Odum 3
mathematician, ecologist, natural philosopher, and systems … 1913–2002Related quotes

"Fishing for a Living"
The Life of Birds (1998)

Interview with David Brancaccio (2003)
Context: We need to maintain law and order. We need to maintain peace in the world. We need to protect the environment. We need to have some degree of social justice, equality of opportunity. The markets are not designed to take care of those needs. That's a political process. And the market fundamentalists have managed to reduce providing those public goods.

"Niall Ferguson: 'Westerners don't understand how vulnerable freedom is'" https://www.theguardian.com/books/2011/feb/20/niall-ferguson-interview-civilization, The Guardian, February 20, 2011.

Source: Article, "Breaking Out of the Box -A Crash Course in Paradigm Thinking" Debra Feinstein, BENCHMARK Magazine, FALL 1989 p.3

2000, Reaction to calls from Australian Foreign Minister Alexander Downer for the Military to stay out of politics (30 September 2005)

1920s, Toleration and Liberalism (1925)

Source: Fugitive Essays: Selected Writings of Frank Chodorov (1980), p. 276

Source: The World We Want (2000), Chapter 5, The World We Want, p. 222.