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

I always see what’s... wrong. Would you want that? When I see a car or a rocket or spacecraft, I only see what’s wrong. I never see what’s right. It’s not a recipe for happiness.

It is a mistake to hire huge numbers of people to get a complicated job done. Numbers will never compensate for talent in getting the right answer (two people who don't know something are no better than one), will tend to slow down progress, and will make the task incredibly expensive.

Persistence is very important. You should not give up unless you are forced to give up.

There's a real opportunity to have a vertical takeoff and landing electric supersonic jet.

I think it matters whether someone has a good heart.

Great companies are built on great products.