If anyone has a vested interest in space solar power, it would have to be me.

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

You should be innovating so fast that you're invalidating your prior patents.

If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it’s not.

Talent is extremely important. It's like a sports team, the team that has the best individual player will often win, but then there’s a multiplier from how those players work together and the strategy they employ.

We're running the most dangerous experiment in history right now, which is to see how much carbon dioxide the atmosphere can handle before there is an environmental catastrophe.

It's obviously tricky to convert cellulose to a useful biofuel. I think actually the most efficient way to use cellulose is to burn it in a co-generation power plant. That will yield the most energy and that is something you can do today.