"The intellectually aggressive hedgehogs knew one big thing and sought, under the banner of parsimony, to expand the explanatory power of that big thing to “cover” new cases; the more eclectic foxes knew many little things and were content to improvise ad hoc solutions to keep pace with a rapidly changing world."

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“Philip Tetlock has just produced a study which suggests we should view expertise in political forecasting--by academics or intelligence analysts, independent pundits, journalists or institutional specialists--with the same skepticism that the well-informed now apply to stockmarket forecasting... It is the scientific spirit with which he tackled his project that is the most notable thing about his book, but the findings of his inquiry are important and, for both reasons, everyone seriously concerned with forecasting, political risk, strategic analysis and public policy debate would do well to read the book.”

“How you think matters more than what you think.”

“beliefs are hypotheses to be tested, not treasures to be guarded.”

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"Desolate and dreary as the little town was in the world of today, it was infinitely more liveable than the same town of nearly two centuries before. There had been much progress in how to do things. I…"

— Murray Leinster

Literature1896–1975

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"All Iranians with little knowledge are concerned about the country's backwardness - especially the decline of Iran from a large and powerful empire to a weak and small state. Where is the root of dege…"

— Ahmad Kasravi

Law1890–1946

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"There are no solids. There are no things. There are only interfering and noninterfering patterns operative in pure principle, and principles are eternal. Principles never contradict principles. . . . …"

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Philosophy1895–1983

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"In fact we do not know anything infallibly, but only that which changes according to the condition of our body and of the that reach and impinge upon it."

— Democritus

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