Putin can't afford to leave the office because he will be in real danger of being prosecuted for things he and his people did during their stay in power.

The Russian Dept of Tourism has declared Ukraine its most dangerous destination. Many Russian tourists have disappeared there.

Dictatorships sometimes fall unexpectedly and quickly. And [Vladimir] Putin knows that for him, the loss of power doesn't mean a comfortable retirement, but something completely different.

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.

You know, if I'm in a bad mood, I always look at the chessboard, just to find something that can cheer me up.

Any experienced player knows how a change in the character of the play influences your psychological mood.

Learning from our mistakes is critical for improving, but even I don't have patience for ranking my regrets. Regret is a negative emotion that inhibits the optimism required to take on new challenges. You risk living in an alternative universe, where if only you had done this or that differently, things would be better. That's a poor substitute for making your actual life better, or improving the lives of others. Regret briefly, analyze and understand, and then move on, improving the only life you have.