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" ... to antisocial proclivities, in a word so many non-productive, food-consuming and space-occupying parasites that their support absorbs nearly all the energy of the independent members of society. This condition is, of course, responsible for the small... "
Man's World - Page 183
by Charlotte Haldane - 1926 - 299 pages
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Pamphlets on Parasitology, Volume 125

1912 - 538 pages
...will agree with Wheeler that biology teaches us this categorical imperative: Do not be a parasite or a host, and try to dissuade others from being parasites or hosts. It may be — we shall not be here, so it will not matter to us — that some day social parasitism,...
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The American Botanist, Volumes 27-29

Willard Nelson Clute - Botany - 1921 - 550 pages
...condition is, of course, responsible for the small amount of free creative activity in many nations. Biology has only one great categorical imperative...to dissuade others from being parasites or hosts. — WM Wheeler in Scientific Monthly. CUBAN YUCCA.. — An item ia one of the horticultural journals...
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