People often mistake technology for a static picture. It's less like a picture and more like a movie. It's the velocity of technology innovation that matters. It's the acceleration.

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.

I don't think it's a good idea to plan to sell a company.

You need to be in the position where it is the cost of the fuel that actually matters and not the cost of building the rocket in the first place.

There's a tremendous bias against taking risks. Everyone is trying to optimize their ass-covering.

Constantly seek criticism. A well thought out critique of what you're doing is as valuable as gold

The problem is that at a lot of big companies, process becomes a substitute for thinking. You're encouraged to behave like a little gear in a complex machine. Frankly, it allows you to keep people who aren't that smart, who aren't that creative.