That biological jack-of-all-trades called ecologist tries to be and do all these things. Needless to say, he does not succeed.

"The Deer Swath" [1948]; Published in Round River, Luna B. Leopold (ed.), Oxford University Press, 1966, p. 127.

Aldo Leopold: Writings: Unpublished Manuscripts -- AL's Desk File: Philosophic and literary, 1940-1948[search.library.wisc.edu]