In physical science a first essential step in the direction of learning any subject is to find principles of numerical reckoning and… — Lord Kelvin Copy Share Image
The use of a growing array of derivatives and the related application of more-sophisticated approaches to measuring and managing risk are key… — Alan Greenspan Copy Share Image
I'm measuring my actions against that inner voice that for me at least is audible, is active, it tells me where I… — Barack Obama Copy Share Image
