NASA is increasingly not the future of space exploration. I love the fact that we have private sector folks devoting a lot of money to stimulate innovation in space technology.

There is too large a divergence at the moment in the interests and values of the world's most powerful states.

I think it's fantastically narcissistic to believe that in the entire universe, with all of the planetary systems that we've already discovered and the countless others that are out there, that we are the only forms of life. Now, the real question is not are there other forms of life out there, but are there other intelligent forms of life out there right now. Because the universe is not only really big but it's also really long. It's been around for a long time; it's going to be around for a long time.

In China, the state controls the corporations, whereas in the United States, the corporations control the state.

There is always the risk that a conflagration in the Middle East becomes larger and more dangerous. In this scenario, we discover that the Arab Spring was merely the prelude to a deeper and much farther-reaching upheaval in the region that has greater impact on countries like Iran and Saudi Arabia.

Berlin is still a very edgy place, a very cosmopolitan place. It's a place where completely different ideas and cultures come together and clash in a very warm way. In a very warm-hearted way. It's a very young city. It's a vibrant city. It's an exciting city. It's a city that's also scarred by history. I think that's to be celebrated and graffiti is to be celebrated. Graffiti in Berlin is very different than when they spray something on the wall dividing the west bank and Israel. And should be treated as such in Berlin.

Deeper state intervention in an economy means that bureaucratic waste, inefficiency and corruption are more likely to hold back growth.