Source: Just a Theory: Exploring the Nature of Science (2005), Chapter 7, “Postmodernist Critiques of Science: Is Science Universal?” (p. 128)
“The science of life has nowadays to a certain extent become a crossroad, in which the contemporary intellectual developments converge. The biological theories have acquired a tremendous ideological [weltanschauliche], yes even public and political significance… The condition of biology, problematic in many respects, has led to the situation that the “philosophies of life” were until now by no means satisfactory from the scientific as much as the practical point of view; we see all the more clearly the importance of the theoretical clarification of biology.”
Bertalanffy (1930, p. 4–5) as cited in: M. Drack, W. Apfalter, D. Pouvreau (2007) " On the making of a system theory of life: Paul A Weiss and Ludwig von Bertalanffy's conceptual connection http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2874664/". in: Q Rev Biol. 2007 December; 82(4): 349–373.
1930s
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Ludwig von Bertalanffy 65
austrian biologist and philosopher 1901–1972Related quotes

Source: The systems view of the world (1996), p. 8 as cited in: Martha C. Beck (2013) "Contemporary Systems Sciences, Implications for the Nature and Value of Religion, the Five Principles of Pancasila, and the Five Pillars of Islam," Dialogue and Universalism-E Volume 4, Number 1/2013. p. 3 ( online http://www.emporia.edu/~cbrown/dnue/documents/vol04.no01.2013/Vol04.01.Beck.pdf).
Source: What is Political Philosophy (1959), p. 93

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Otto Neurath (1931) "Physicalism: The Philosophy of the Viennese Circle," in: The Monist, Vol. 41, No. 4 (October, 1931), pp. 618-623; Lead paragraph
1930s