When, over fifty years ago, I first became interested in economics - as a discipline that provided the key to social structure and social problems - it never crossed my mind that one day I might be the honored recipient of a Nobel Memorial Prize.

With the variety of fields within economics, broadly conceived and the increasing specialization of scholarly world, the award of a Nobel Memorial Prize honors not only the individual scholar but, implicitly, also a special field or a distinctive method.

Art never harms itself by keeping aloof from the social problems of the day: rather, by so doing, it more completely realises for us that which we desire.

At the end of the day it wouldn't offer any benefits that would make those problems justifiable.

There are still some problems of course, We have 5,500 (bus) runs per day. 15 or 20 have problems.

Do not try to solve all life's problems at once - learn to dread each day as it comes