Building a successful company (or living a happy life, for that matter) is not about embracing someone else's philosophy, but staying true to your own beliefs about the world and learning from the mistakes you make along the way.

Point-to-point transit via low orbit could dramatically speed up international flights, connecting the world even further. And safe, consistent space travel opens up the possibility of commercial space stations, trips to the moon and exploration beyond.

The big reason why we don't have space colonies and regular trips to the moon is that flying into outer space is just plain 'hard.' The business of safely transporting people off the Earth is a costly affair that requires a lot of technology.

With every inch of land on Earth now catalogued by our satellites, the stars are the next place we as a species must travel. And with a booming world population that will hit 9.1 billion in 2050, large-scale space travel may become a necessity.

There are people out there who want me to fail, who want Jude to fail, who want our relationship to fail.

If two people are not happy together, it's better to end the relationship than prolong the suffering.

I admire people's marriages, and I think it's a wonderful thing to have, but I don't think it's the only way to live. I think there are many ways to live and many ways to establish intimate support in your life that can be from family or friends or great roommates that you like.

My friendship with the great actor and director Alan Rickman did not have a particularly auspicious start.