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?

Music would lose its charm were not dissonance interspersed at frequent intervals. The closer a composer can come to discord without actually entering it in the score, the more pleasing will be his composition when given life through musical instruments.

But Hale's warning the President about going to Dallas was that there was great infighting among the members of the Democratic party and the Democratic stars in the state and he didn't want the President to become involved in a factional disagreement.