Kenneth E. Boulding Quotes
A second possible approach to general systems theory is through the arrangement of theoretical systems and constructs in a hierarchy of complexity, roughly corresponding to the complexity of the "individuals" of the various empirical fields... leading towards a "system of systems." [...] I suggest below a possible arrangement of "levels" of theoretical discourse...(vi) [...] the "animal" level, characterized by increased mobility, teleological behavior and self-awareness...
Boulding, Kenneth E. "General Systems Theory: The Skeleton of Science." Management Science, vol. 2, no. 3, 1956, pp. 200-204.
Kenneth Ewart Boulding was an English-born American economist, educator, peace activist, and interdisciplinary philosopher. Boulding was the author of two citation classics: The Image: Knowledge in Life and Society (1956) and Conflict and Defense: A General Theory (1962). He was co-founder of general systems theory and founder of numerous ongoing intellectual projects in economics and social science. He was married to sociologist Elise M. Boulding.