There's no committee that says, 'This is the type of person who can change the world - and you can't.' Realizing that anyone can do it is the first step. The next step is figuring out how you're going to do it.
Travel is never a matter of money but of courage. I spent a large part of my youth traveling the world as a hippie. And what money did I have then? None. I barely had enough to pay for my fare. But I still consider those to have been the best years of my youth. The great lessons I learned has been precisely those that my journeys had taught me.