If civilization has risen from the Stone Age, it can rise again from the Wastepaper Age. – Jacques Barzun, The House of Intellect, 1959

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled. – Richard P. Feynman

When some high-sounding institute states that a compound is harmless or a process free of risk, it is wise to know whence the institute or the scientists who work there obtain their financial support. – Lancet, editorial on the "medical-industrial complex," 1973

I think the environment should be put in the category of our national security. Defense of our resources is just as important as defense abroad. Otherwise what is there to defend? – Robert Redford, Yosemite National Park dedication, 1985