A championship contender in the early twentieth century needed charisma and a knack for cultivating sponsorship, and Rubinstein was the epitome of the shy and unsocial chess player. Now matter how great his chess skills, he lacked the people skills to be a self-promoter and fund-raiser.

Anything that we know how we do, machines will do better. Now, the key element of this phrase is, "We know how we do it." Because we do many things without knowing exactly how we do them. So this is the area where machines are vulnerable, because it still has to learn from some kind of experience. It needs something - at least the rules of the game. You have to bring in something that will help the machine to start learning. It's like square one. If there's nothing there, if you can't explain it, that's a problem.

Most likely, the system of mutual relations that has evolved in Eastern Europe and Asia corresponds to another level of governance.

The loss of my childhood was the price for becoming the youngest world champion in history. When you have to fight every day from a young age, your soul can be contaminated. I lost my childhood. I never really had it. Today I have to be careful not to become cruel, because I became a soldier too early.

Setbacks and losses are both inevitable and essential if you're going to improve and become a good, even great, competitor. The art is in avoiding catastrophic losses in the key battles.

[Vladimir] Putin wants to keep [Bashar] Assad in power and expand his own military base in Syria, whatever the cost. I even believe he has an interest in more and more people fleeing the country. The flow of refugees improves his negotiating position toward the West, including the German chancellor.

If you make a decision to fight for future of your own country you have to consider all the consequences.