
Source: The Next 100 Years: A Forecast for the 21st Century (2009), p. 18
Press conference http://www.usatoday.com/news/washington/2004-03-30-questions-usat_x.htm, May 16, 2002.
Source: The Next 100 Years: A Forecast for the 21st Century (2009), p. 18
“If I had to choose, I would rather have birds than airplanes.”
"Is Civilization Progress?" in Reader's Digest (July 1964)
Raymond J. Brown. " Henry Ford Says, 'There Is Always Room for More' https://books.google.nl/books?id=rCkDAAAAMBAJ&pg=PA37," in: Popular Science, Vol. 106, nr. 2 (Feb 1925), p. 37
After three years, after 150,000 dead, why I was wrong about Iraq, JohannHari.com, March 18, 2006, 2007-01-26 http://www.johannhari.com/archive/article.php?id=831,
Source: Object-Oriented Systems Analysis: Modeling the World In Data (1988), p. 12.
Source: Object-Oriented Systems Analysis: Modeling the World In Data (1988), p. 12