I'm sorry, but I don't think that mentality is good advice for entrepreneurs. I'd rather reach for the top of Everest and even if I only get halfway there, it would still be better than conquering an anthill.
It's wonderful advice for developers who's existence is inherent to developing software for people who need it.
Start your startup. Learn the ropes.
Then, whether you succeed or fail, you can swing for the fences. That second time you may just make it.