Leadership is neither a rank nor a title. It is a choice. The choice to provide care and protection for those for whom we are responsible.

How can you help the human race progress?

I'm investing in myself, I'm investing in others and I'm investing in my cause. I know if I persist it will pay back in dividends and it always does.

Start with why. And work really hard to make sure you're consistent.

It's better to have a great team than a team of greats.

Our struggles are the short term lessons we learn to achieve long term success.

It is only from the people I've had the good fortune to meet that I am learning the lessons to guide me. Baz Luhrmann, director of 'Moulin Rouge,' for example, has a childlike curiosity about the world. He doesn't pretend to know all the answers - quite the opposite, in fact. He asks loads of questions of everyone.