“What we call growth of even a simple organism is a tremendously complex phenomenon from the biochemical, physiological, cytological, and morphological viewpoints.”
Von Bertalanffy (1957) "Quantitative laws in metabolism and growth" in: Quarterly Review of Biology 32(1957), p. 217
1950s
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Ludwig von Bertalanffy 65
austrian biologist and philosopher 1901–1972Related quotes

Source: On the Gods and Other Essays

“Life is not complex. We are complex. Life is simple, and the simple thing is the right thing.”

The Development Hypothesis (1852)
Context: The blindness of those who think it absurd to suppose that complex organic forms may have arisen by successive modifications out of simple ones becomes astonishing when we remember that complex organic forms are daily being thus produced. A tree differs from a seed immeasurably in every respect... Yet is the one changed in the course of a few years into the other: changed so gradually, that at no moment can it be said — Now the seed ceases to be, and the tree exists.
Source: The Next Development in Man (1948), p. 73

Myth and Reality (1963)
Context: Myth is an extremely complex cultural reality, which can be approached and interpreted from various and complementary viewpoints.
Speaking for myself, the definition that seems least inadequate because most embracing is this: Myth narrates a sacred history; it relates an event that took place in primordial Time, the fabled time of the "beginnings." In other words myth tells how, through the deeds of Supernatural Beings, a reality came into existence, be it the whole of reality, the Cosmos, or only a fragment of reality — an island, a species of plant, a particular kind of human behavior, an institution. Myth, then, is always an account of a "creation"; it relates how something was produced, began to be. Myth tells only of that which really happened, which manifested itself completely. The actors in myths are Supernatural Beings. They are known primarily by what they did in the transcendent times of the "beginnings." hence myths disclose their creative activity and reveal the sacredness (or simply the "supernaturalness") of their works. In short, myths describe the various and sometimes dramatic breakthroughs of the sacred (or the "supernatural") into the World. It is this sudden breakthrough of the sacred that really establishes the World and makes it what it is today. Furthermore, it is as a result of the intervention of Supernatural Beings that man himself is what he is today, a mortal, sexed, and cultural being.
Source: The Causal Texture of Organizational Environments (1963), p. 30.

The Third Culture: Beyond the Scientific Revolution (1995)