The government's ability to select scientists and pick things that are fairly strange, because politicians don't like failures. They're only in office a short term, and many of these things take a long time.

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.

This is a fantastic time to be entering the business world, because business is going to change more in the next 10 years than it has in the last 50.

I don't like typing messages on my phone. Some people get used to it.

Kenya’s M-Pesa proves that when people are empowered, they will use digital tech to innovate on their own behalf.

When you say that after World War I there was a pandemic that killed more people than the war itself, most will say: "Wait, are you kidding? I know World War I, but there was no World War 1.5, was there?" But people were traveling around after the war, and that meant the force of infection was much higher. And the problem is that the rate of travel back then was dramatically less than what we have nowadays.

There's a unique thing about the UK, where you give a very generous foreign aid budget to support globally, which is spent wisely. We partner with the government here to make sure that that money is spent well.