Science and vision are not opposites or even at odds. They need each other. I sometimes hear other startup folks say something along the lines of: 'If entrepreneurship was a science, then anyone could do it.' I'd like to point out that even science is a science, and still very few people can do it, let alone do it well.
Eric RiesA head start is rarely large enough to matter, and time spent in stealth mode-away from customers-is unlikely to provide a head start. The only way to win is to learn faster than anyone else.
Eric RiesBecause startups often accidentally build something nobody wants, it doesnโt matter much if they do it on time and on budget. The goal of a startup is to figure out the right thing to build - the thing customers want and will pay for - as quickly as possible.
Eric Ries