Sometimes "I don't know" is the right answer | Jordan Ellenberg | TEDxMadison

This talk was given at a local TEDx event, produced independently of the TED Conferences. Jordan Ellenberg just published a new book, How Now to Be Wrong (on the NYT's Bestseller List at #15). In this talk, he shares with us the power of the statement 'I don't know.' As he points out, the answer to the most interesting questions is usually 'I don't know,' and we need to embrace that, tell others who think they know that they don't, and measure how much we don't know.
Vilas Distinguished Achievement Professor of Mathematics at UW-Madison and author
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[@seascapewa]

Whenever I do a presentation at a school about astronomy, I always start with " I guarantee that I can answer any question about astronomy. But that answer might be 'I don't know' "