That machines will surpass us in intelligence is inevitable. What it means is unknowable. Will they be sentient? What will they care about in the sense that determines our human motivations? All the theorizing by the experts and non-experts makes for interesting conversations and dramatic headlines, but it's more likely we will be surprised by how our technology develops and how it is used, as we so often are.

I've met enough KGB colonels in my life.

Throughout my chess career I sought out new challenges, looking for things no one had done before.

There is no one that can share your responsibility. It it is your responsibility you must carry it on and you must be responsible for your actions. At the end of the day we all are being challenged, sooner or later, by our destiny. And it's up to us to make all the difference in this life. If not you, who else?

The downfall of democratic institutions in Russia doesn't add to the self-confidence of either [Vladimir] Putin or his friends, as the loss of power could lead to repercussions in Russian society.

This is the essential element that cannot be measured by any analysis or device, and I believe it's at the heart of success in all things: the power of intuition and the ability to harness and use it like a master.

Enormous self-belief, intuition, the ability to take a risk at a critical moment and go in for a very dangerous play with counter-chances for the opponent - it is precisely these qualities that distinguish great players.