Noreena Hertz

People are looking for certainty. The more complex the world becomes, the more people look for people to give them certainty and tell them what to do. During the past few years of actively thinking about this, there is one thing that I have accepted: certainty is not out there. There is not one strategy to follow, and that's OK.

Child labour may be distasteful to westerners, but does boycotting goods made with child labour improve or exacerbate the lot of third world children? Trusting the market to regulate may not ultimately be in our interest.

What about those who help growth indirectly, those who stay at home and look after others - mothers, carers of elderly parents or sick relatives who save the state millions of pounds annually. What is their worth? How is their value to be determined?

Early in the 1990s, I flew alone in a dandelion-yellow, single-engine, 180-horsepower Piper Cherokee from Westchester County Airport in New York westward to the Rocky Mountains, landing and refuelling a good many times in middle-sized cities and towns along the way.

I have friends of mine that are actors or singers, and they're the classic guys where, they're onstage, and they're like, 'Okay, the blonde in the third row, seat 24, bring her to my dressing room.' I've never, never taken advantage of that, I swear to God.