That he has!
Perhaps his greatest accomplishment are made of the same stuff that Burt Rutan and Pete Diamandis gave us with the original X-Prize (which also provided the impetus for Space X).
Dream BIG!
Make, raise or leverage enough money to hire good people with dreams, good ideas & technical skills to make those dreams happen.
"Behind every advance of the human race is a germ of creation growing in the mind of some lone individual. An individual whose dreams waken him in the night while others lie contentedly asleep." (Crawford H. Greenewalt)