Nowhere is it written that NATO had to accept certain countries. All that would have been required to refrain from doing so was the political will. But people didn't want to.

I'm still the same. Take the fight against terrorism: after the attacks of September 11, I was the first to side with US President [George W.] Bush. And now, after the attacks in Paris, I have done the same with the President of France,[Oliver] Hollande. Terrorism threatens us all.

It is very difficult to enter a single currency zone having fairly weak economic parameters and maintain a favourable state of the economy, not to mention positive growth rates. We have witnessed it not only in Europe, but for example in Argentina (nearly 10 years ago or more), when they tied the national currency to the dollar and later they did not know what to do about it.

I am the wealthiest man, not just in Europe, but in the whole world. I collect emotions.

Our trend in the privatization process and gradual withdrawal of the state from certain assets remains unchanged.

For me, it [Crimea] is not borders and state territories that matter, but people's fortunes.

We were also going to develop relations with the current administration [of Barack Obama], but somehow they did not work out well in key areas and, I believe, not through our fault. I will not list all the problems that emerged in the past few years.