You're always going to have dangerous, disaffected people in any society, and some will be violent. Increasing prosperity and reducing inequality won't solve that completely. But having big, positive dreams and a society that makes it possible to achieve those dreams is what we must strive for.

I have great energy and I have great tasks ahead of me.

Vladimir Putin likes Donald Trump because he supports this view of the world, that the big guys can carve it up, sit and talk about the world, carve up the countries, shape borders. For Putin, treaties, alliances, Nato, the EU are stumbling blocks.

Russia is a mafia state today, and Putin is its top godfather.

Ironically, the main task of chess software companies today is to find ways to make the program weaker, not stronger, and to provide enough options that any user can pick from different levels and the machine will try to make enough mistakes to give him a chance.

We see threats to liberal democracy coming from lots of directions. We have to create something new, a common response, because in so many places - the UK, France, Germany - ultranationalists and the far left threaten the free market and liberal democracy.

If we look to the south, to Iran, which cannot be "accused" of excess democratic zeal - it goes without saying that the unstable situation does not prepare the ground for a democratic development.