Don't let complexity stop you. Be activists. Take on the big inequities. It will be one of the great experiences of your lives.

The first rule of any technology used in a business is that automation applied to an efficient operation will magnify the efficiency. The second is that automation applied to an inefficient operation will magnify the inefficiency.

Making sure all our students get a great education, find a career that's fulfilling and rewarding, and have a chance to live out their dreams ... wouldn't just make us a more successful country - it would also make us a more fair and just one.

For Africa to move forward, you've really got to get rid of malaria.

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.

The idea of explaining why free trade is good, why immigration is good, why the world is so connected, that we need to think in terms of humanity and being generous to each other, you know, that's proving to be a challenge.

Well the protester I think is a very powerful thing. It's basically a mechanism of democracy that, along with capitalism, scientific innovation, those things have built the modern world. And it's wonderful that the new tools have empowered that protestor so that state secrets, bad developments are not hidden anymore.