Starting and growing a business is as much about the innovation, drive and determination of the people who do it as it is about the product they sell.

The reason we should do a carbon tax is because it's the right thing to do. It's economics 101, elementary stuff.

I think it is possible for ordinary people to choose to be extraordinary.

It's really incumbent upon us as life's agents to extend life to another planet. I think that being a multi-planet species will significantly increase the richness and scope of the human experience.

The future of humanity is going to bifurcate in two directions: Either it's going to become multiplanetary, or it's going to remain confined to one planet and eventually there's going to be an extinction event.

Mars is the only place in the solar system where it's possible for life to become multi-planetarian.

The path to the CEO's office should not be through the CFO's office, and it should not be through the marketing department. It needs to be through engineering and design.