My college, Fitzwilliam, was pretty good but unfashionable and I lived in digs so I was not part of the cloistered 'old college' environment, which frankly was a bit intimidating. But I worked hard and settled in by exploring politics and girls.

And humility in politics means accepting that one party doesn't have all the answers; recognising that working in partnership is progress not treachery.

When my job was attempting to predict future economic developments for the Shell oil company, I was frequently reminded of an Arabic saying: 'Those who claim to foresee the future are lying, even if by chance they are later proved right.'

I know it sounds trite but I wanted to make a difference. Political debates with my father had been fraught because he was uncompromising and explosive but if he taught me one thing it was to air my views.

I am going to confront the old-fashioned negative thinking which says that all government needs to do to generate growth is cut worker and environmental protections, cut taxes on the rich and stroke 'fat cats' until they purr with pleasure. I'm completely repudiating the idea that government has to get out of the way.

The worship of youth has diminished - perhaps generally - in recent years.

My college, Fitzwilliam, was pretty good but unfashionable and I lived in digs so I was not part of the cloistered 'old college' environment, which frankly was a bit intimidating. But I worked hard and settled in by exploring politics and girls.