Sunday, December 9, 2012

Quote of the Day

Facts change all the time. Smoking has gone from doctor recommended to deadly. We used to think the Earth was the center of the universe and that Pluto was a planet. For decades we were convinced that the brontosaurus was a real dinosaur. Knowledge, like milk, has an expiry date.

- The Half-life of Facts: Why Everything We Know Has an Expiration Date by Samuel Arbesman


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