Satya Nadella

Believe me, my journey has not been a simple journey of progress. There have been many ups and downs, and it is the choices that I made at each of those times that have helped shape what I have achieved.

You've got to remember even the Apple regeneration started with colorful iMacs. So let us first get the colorful iMacs. I think with what we're doing with Lumia, we're at that stage. I want to do good devices that people like, and then we will go on to doing the next thing and the next thing.

At one point, I didn't get out of bed for, I think, three months, and I went down to the bottom of the hill one day and I had to call somebody to get me to come back up - come pick me up because I couldn't physically walk up the hill.

The difference between what all the people can do individually and the global consumption of nonrenewable resources is huge. The tension is... what will it take to get people to act in concert? There isn't any additive solution to the problem. It will be both governmental and social because that's the scale of the problem.