Once constituted, capital reproduces itself faster than output increases. The past devours the future.

Capitalism and market forces are very powerful in producing wealth and innovation. But we need to ensure that these forces act in the common interest.

I think if you look back through time, the history of income, wealth and taxation is full of surprise. So I am not terribly impressed by those who know in advance what will or will not happen.

Having a decent share of the national wealth for the middle class is not bad for growth. It is actually useful both for equity and efficiency reasons.

Our growing national debt is a threat to our national defense and to our domestic priorities, including research and development, education, health care, and investments in our economic growth.

So I really did stop and change what I saw I was about, and really try to put that principle into play as the center of everything - my friendships, my marriage, my career, my family, my way of being in the world. And that changed everything for me.

Science is a way of life. Science is a perspective. Science is the process that takes us from confusion to understanding in a manner that's precise, predictive and reliable - a transformation, for those lucky enough to experience it, that is empowering and emotional.

My style of play has always been 'Guardiola style,' so I've not had too many problems. At the same time, he helps you to evolve and to change little things, because it's obviously not exactly the same style of play as at Bilbao.