If you want to be a leader, go lead
Marketing is the way your people answer the phone, the typesetting on your bills and your return policy.
The tragedy is that society (your school, your boss, your government, your family) keeps drumming the genius part out. The problem is that our culture has engaged in a Faustian bargain, in which we trade our genius and artistry for apparent stability.
There's no shortage of remarkable ideas, what's missing is the will to execute them.
The only thing worse than starting something and failing... is not starting something.
Everyone is not your customer.