From Ukraine to Syria, he [Vladimir Putin] is behaving like the world's new general and celebrating victories, while the American president sits on the sidelines and Europe sleeps. The West's behavior toward Putin is political and moral capitulation.

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.

Chess is a unique cognitive nexus, a place where art and science come together in the human mind and are then refined and improved by experience.

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.

[Vladimir] Putin's Russia is only indirectly concerned with the conflict between Armenia and Azerbaijan as a means of maintaining its sphere of influence. I doubt that Russia will meddle. Moreover, I'm quite sure that Ilham Aliyev won't decide to carry out any serious action - it's not in his interest. He's learned his lesson very well - threaten to take action but never act on such words.

The international repercussions were shattering to some extent - there is no intention to repeat operations of such kind in the future.[Viktor] Yanukovych's electoral victory clearly demonstrated that there are no pro-Russian politicians in the Ukraine, just Ukrainian politicians.

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.