"I know it sounds trite but I wanted to make a difference. Political debates with my father had been ..." — Vince Cable

My time at Shell was a most valuable experience because it taught me to look at the world in a long-term way. Shell takes a 20-year view on events and plans for different scenarios. It makes you see the world as a kind of large matrix.

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.

When I was a child we were sufficiently well off for me to be a picky eater and I still cannot eat vegetables cooked in the traditional British manner.

Banks operate like a man who either wears his trousers round his chest, stifling breathing, as now, or round his ankles, exposing his assets. We want their trousers tied round their middle: steady lending growth; particularly to productive British business, especially small scale enterprise.