Paul Samuelson Quote
Here is my advice. When in doubt, give my new efforts a hearing. Many feel a calling to break new ground; in the end, few will end upfinding their efforts chosen. But the yea-sayer does do less harm than the naysayer, in that the Darwinian process of adverse testing will in time (most likely?) separate the useful from the useless, the trivial from the profound.
"Foreword: Eavesdropping on the Future?" in New Frontiers in Economics (2004) - New millennium