“The human mind works at low efficiency. Twenty percent is the figure usually given. When, momentarily, there is a flash of greater power, it is termed a hunch, or insight, or intuition.”
Source: Foundation and Empire
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Isaac Asimov 303
American writer and professor of biochemistry at Boston Uni… 1920–1992Related quotes
Section 5: A Note on Ruskin's Writings on Society and Economics
Ruskin Today (1964)

“Scientists work by a combination of intuition and insight in trying to understand a question.”
Venkatraman Ramakrishnan interview: 'It takes courage to tackle very hard problems in science

... (een flits van inzicht) komt nooit vanzelf, in de zin dat je er geen moeite voor hoeft te doen. Je moet je er echt wel voor inspannen. Er is een mooi spreekwoord voor: “toeval schiet de voorbereide geest te hulp”.
Zo’n inzicht komt wel toevallig, maar je krijgt het alleen als je bent voorbereid. Het inzicht komt niet vanzelf.
In Interview with Professor Carlo Beenakker. Interviewers: Ramy El-Dardiry and Roderick Knuiman (February 1, 2006).

Hughey, Aaron W. (book reviewer), "Book review: ‘Quiet’ suggests introverts are undervalued by society," The Daily News (Kentucky; BGDailyNews.com), July 15, 2012.

“Trust your hunches… Hunches are usually based on facts filed away just below the conscious level.”
As quoted in Words of Wisdom : More Good Advice (1990) edited by William Safire and Leonard Safir, p. 199
Variant: Trust your hunches. They're usually based on facts filed away just below the conscious level.
Trust your hunches. Hunches are usually based on facts filed away just below the conscious level. But be warned, don't confuse hunches with wishful thinking.
Context: Trust your hunches... Hunches are usually based on facts filed away just below the conscious level. Warning! Do not confuse your hunches with wishful thinking. This is the road to disaster.

As quoted in Words of Wisdom : More Good Advice (1990) edited by William Safire and Leonard Safir, p. 199
Variant: Trust your hunches. They're usually based on facts filed away just below the conscious level.
Trust your hunches. Hunches are usually based on facts filed away just below the conscious level. But be warned, don't confuse hunches with wishful thinking.