The parts of physics that are exact are the parts of physics that are exact. The parts that are inexact are vastly greater. Sensible scientists don't waste their time pushing against doors that endlessly will not give. They are opportunistic and go where they can, but there are pitfalls in that.

I can tell you, because I serve on so many nonprofit boards - where half of us are academics and half of us are from Wall Street - that there's no CEO who understands at all a derivative. All they know is that somebody tells them in their organization, 'We've got a wonderful profit center.'

My belief is that nothing that can be expressed by mathematics cannot be expressed by careful use of literary words.

Paul Samuelson Quotes