The risk exists that, with ...

The risk exists that, with aggregate demand exhibiting considerable momentum, output could overshoot its sustainable path, leading ultimately in the absence of countervailing monetary policy action to further upward pressure on inflation.
 Ben Bernanke

Quotes from the same author

Importantly, in the 1930s, in the Great Depression, the Federal Reserve, despite its mandate, was quite passive and, as a result, financial crisis became very severe, lasted essentially from 1929 to 1933.
 Ben Bernanke
Over the years, the U.S. economy has shown a remarkable ability to absorb shocks of all kinds, to recover, and to continue to grow.
 Ben Bernanke
I assure this committee that, if I am confirmed, I will be strictly independent of all political influences... essential to that institution's ability to function effectively and achieve its mandated objectives.
 Ben Bernanke
Over the years, the U.S. economy has shown a remarkable ability to absorb shocks of all kinds, to recover, and to continue to grow. Flexible and efficient markets for labor and capital, an entrepreneurial tradition, and a general willingness to tolerate and even embrace technological and economic change all contribute to this resiliency.
 Ben Bernanke
The central bank needs to be able to make policy without short term political concerns.
 Ben Bernanke