I'm increasingly inclined to think there should be some regulatory oversight, maybe at the national and international level just to make sure that we don't do something very foolish.

My mentality is that of a samurai. I would rather commit seppuku than fail.

Being an entrepreneur is like eating glass and staring into the abyss of death.

Some people don't like change, but you need to embrace change if the alternative is disaster.

As a child I would just question things.

You could warm Mars up, over time, with greenhouse gases.

You want to be extra rigorous about making the best possible thing you can. Find everything that's wrong with it and fix it.