No, it may be one of the best paths to wealth and independence --unless you're born into wealth already -- but it's not necessarily a path to success.
My parents worked themselves to the bone in business, were repeatedly screwed by business partners and banks. It didn't give them one bit of gratification.
My mother went back to university and got into not-for-profit microcredit and was reborn as a happy person.
My dad spent time with his kids and neighbours, when he passed away he had three times as many people come to the funeral as we had space for.
Entrepreneurship has a lot going for it, but it is very hard and given the barriers that can be thrown in your face, it can be just another rat-race for lots of people.