A bad strategy will fail no matter how good your information is. And lame execution will stymie a good strategy. If you do enough things poorly, you'll go out of business.

By helping us to be more productive, technology lets us to spend less time focusing on survival, and more on solving other challenges.

I'm not somebody who goes to church on a regular basis. The specific elements of Christianity are not something I'm a huge believer in.

The phenomenal generosity of the United States in its aid budget towards health issues is the best in the world. You can look at that broadly, you can look at it in terms of HIV, the PEPFAR money which came together in a Republican administration with bipartisan support.

I understand how every healthy child, every new road, puts a country on a better path, but instability and war will arise from time to time, and I'm not an expert on how you get out of those things.

At Microsoft there are lots of brilliant ideas but the image is that they all come from the top - I'm afraid that's not quite right.

AIDS we're - most of these diseases - we are down from the peak. We're down about 40 per cent from the peak and if we got the right vaccines, which are at the early stage of discovering, then the numbers would come down very dramatically. So that's why we talk about it as an emergency.