We have engineered a world where going into leadership or public office creates huge worry. That's a problem as it means that the people who go forward for these roles are those for whom power is the reward, not doing the work.

We should not assume that there is one single benchmark for all types of financial transactions. There are certain transactions that should be based on market rates, and others which call for the kind of benchmark that LIBOR provides.

I was at one of our schools in Kenya recently, I was just chatting away to a group of children about all the things we had seen that day- the lions and how lucky they are to be sitting next to Meru National Park, and I said 'would anyone like to ask me a question?'. Suddenly this little boy put up his hand and he said 'please miss, why do men kill lions?'. Well, I could have hugged him if he wouldn't have been mortified with embarrassment.

I wanted to impart this fundamental philosophy that a person should endeavour to better the world, an aspiration divorced from monetary considerations. While some might contend that financial power is a prerequisite for effecting change, I don't subscribe to this belief.

When individuals express a desire for a stress-free life, I often remind them of two things: First, the only beings without stress are no longer living. Second, when you plot stress against performance, you observe an inverse U-shaped curve. At zero stress, performance is at its lowest.