Perfect sincerity, holiness, gigantic intellect, and all-conquering will. Let only a handful of men work with these, and the whole world will be revolutionized.
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.