We must be optimistic about the future because it's a self-fulfilling prophecy. If we are creative and ambitious, intelligent machines will liberate us and be as profound a boon to our prosperity as electricity. If we are fearful, and fail to press ahead, we could be overwhelmed by automation and inequality.

Once I spoke about this subject among a group of English intellectuals. One of them was a professor on Roman Law at one of the leading British universities. I asked him,what was the official language of the Byzantine Empire? He said, maybe sometime in the sixth or the seventh century.The Justinian Codex, the rule of law in the Byzantine Empire which was produced by Emperor Justinian, it was written in Latin.And he looked at me ,he knew that I knew already that the only original copy was found in the beginning of the sixteenth century.

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.

It was not about losing my mental power; it's about not feeling good about my contribution to the game.

A grandmaster needs to retain thousands of games in his head, for games are to him what the words of their mother tongue are to ordinary people, or notes or scores to musicians.

Energy is connected to physical fitness. One of the reasons I stayed at the top so long is that I was tremendously fit. At 36, I was fitter than most opponents ten years younger.

I want to serve chess through games, books that are works of art. I would like to bring the game closer to many people all over the world.