“Well, I will say this. And this is the main thing to remember. Macroeconomics -- even with all of our computers and with all of our information -- is not an exact science and is incapable of being an exact science. It can be better or it can be worse, but there isn't guaranteed predictability in these matters.”

—  Paul A. Samuelson

Conor Clarke, An Interview With Paul Samuelson, Part One http://www.theatlantic.com/politics/archive/2009/06/an-interview-with-paul-samuelson-part-one/19572/ (2009)
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Paul A. Samuelson 47
American economist 1915–2009

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