I don't think the space station is innovative. Going to the moon was innovative because we had no idea how to do it.

If you give people unlimited time and money, they'll do things the same old way. But if they have to achieve the goal in a brief time, they'll either give up or try something new.

I believed that once we got to the Moon, there was no stopping us. But in fact, we did stop.

Humans are the worst control system to put in front of a car.

More than ever before in history, individuals can now band together to solve grand challenges. We face enormous problems, but we 'as individuals' have enormous power to solve them.

Imagine a world of nine billion people with clean water, nutritious food, affordable housing, personalized education, top-tier medical care, and nonpolluting, ubiquitous energy. Building this better world is humanity's grandest challenge.

Technology is a resource-liberating force!