I'm not paranoid, but I am cautious. I don't drink tea with strangers, I don't fly Aeroflot and I avoid certain countries with close ties to Russia.

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.

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.

It is quite difficult to establish a clear-cut cause-and-effect relationship, as the causes are manifold and closely connected. It is simply not correct to link the level of democracy to prosperity. It is absolutely clear that the economic wealth of Saudi Arabia exceeds the performance of the Czech Republic. But apparently democracy is quite stable in the Czech Republic, which cannot be said about Saudi Arabia. As we delve into the past, we must not forget about the existing model of society.

There are many ways of showing your protest and discontent without the actions of Kremlin.

Thanks to the Polgars the adjective 'men's' before events and the 'affirmative action' women's titles such as Woman Grandmaster have become anachronisms.

Do as little as necessary to appear to be doing something without actually committing to a cause or course of action.