Don’t do endorsements.
Don’t make deals with sponsors.
Don’t worry about offending.
And you might have a career that lasts a decade or two.
Pursue your dream.
Don’t focus on the hit.
Break the rules.
Tell those in your way to fuck off.
Don’t be afraid of alienating potential customers.
And you might just grow a fan base dedicated enough to give you all its money, and evangelize to others, getting them to part with their dough too.
From his post, Jobs Hits The Stage.