“Because a cause was taken to be sufficient for its effect, nothing was required to explain the effect other than the cause. Consequently, the quest for causes was environment-free. It employed what we now call 'closed-system' thinking. Laws. —like that of freely falling bodies—-were formulated so as to exclude environmental effects.”
Source: 1970s, Redesigning the future, 1974, p. 10.
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Russell L. Ackoff 70
Scientist 1919–2009Related quotes
Source: Man's Vision of God and the Logic of Theism (1941), P. 347.

Source: 1980s, Creating the Corporate Future, 1981, p. 224-225 as cited in: David Ing (2010) "The producer-product relation, and coproducers in systems theory". in the Coevolving blog, September 02, 2010.
“What effect is without a cause?”
Allah, Allah, Allah.
It's All Crazy! It's All False! It's All A Dream! It's Alright (2009)
“There is a universal law; INTENT is the cause, your life is the effect.”
Source: Life, the Truth, and Being Free (2010), p. 64

“I like to think of smiling as a cause not an effect. Smile all the time.”
Brooke Bundy Interview https://trainwreckdsociety.com/2018/05/14/brooke-bundy-interview/ (May 14, 2018)

Source: The State of the World 2010, public lecture in New York City, USA, (July 2010)