I feel it's a responsibility for anyone who breaks through a certain ceiling... to send the elevator back down and give others a helpful lift.

If you have done well in whatever business you are in, it is your duty to send the elevator back down and try to help bring up the next generation of undiscovered talent.

I never doubted at all. If you ever doubt then you are in trouble. I never thought: 'I should do this or that in case I don't make it.' I never had a back-up plan.

For me, coming to work every day has turned out to be exactly what I hoped it would be.

I think you need the failures to get the success. You learn more from that.

While the sciences are hugely important, let us not leave behind a childs imagination.

London is a very energising place to be.