Russia exists in the context of open global economy and is a part of it

We all use cash in our everyday life, but we don't use hundred-dollar bills. We're not using 500-euro notes. And yet these account for mountains of cash out there. I think they're being used in tax evasion and by criminals of all types.

If you didn't have employers able to pay off the books and off the record safely in cash, you wouldn't have illegal immigration on nearly the scale that we do.

The problem - at least in the United States - is not that people can't find jobs. The problem is that they're no longer finding jobs that provide them with dignity and decent social status.

Today, chess programs have become so good that even grandmasters sometimes struggle to understand the logic behind some of their moves.

People aren't looking at how they're doing, but rather at how their neighbors are doing and at their own place in society.

Marx's theory that only capitalists benefit from capitalism and workers are exploited was completely wrong. Nothing could have been further from the truth. Workers earned more as economies grew.