As we seem to become more and more enamored by quantifying the unquantifiable, and increasingly finding comfort in the illusory certainty of numbers, I find this quote particularly relevant: “When you don’t have any data, you have to use reason.” Richard Feynman
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Where is this quote from ?.
1/ I found it in the book "Range" by David Epstein. Feyman said this in the context of the Challenger shuttle disaster investigation hearings. The engineers wanting to call off the launch had two data points and rightfully reasoned that o-rings malfunctioned during cold weather.
