“The construction of hypotheses is a creative act of inspiration, intuition, invention; its essence is the vision of something new in familiar material. The process must be discussed in psychological, not logical, categories; studied in autobiographies and biographies, not treatises on scientific method; and promoted by maxim and example, not syllogism or theorem.”

"The Methodology of Positive Economics" (1953)

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Milton Friedman 158
American economist, statistician, and writer 1912–2006

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