“Only economists mistake physical opulence for riches.”
" Country http://digicoll.library.wisc.edu/cgi-bin/AldoLeopold/AldoLeopold-idx?type=turn&entity=AldoLeopold.ALDeskFile.p0666&id=AldoLeopold.ALDeskFile&isize=XL" [1941]; Published in Round River, Luna B. Leopold (ed.), Oxford University Press, 1966, p. 31.
1940s