The sovereign freedom of traveling comes from the fact that it whirls you around and turns you upside down, and stands everything you took for granted on its head. If a diploma can famously be a passport (to a journey through hard realism), a passport can be a diploma (for a crash course in cultural relativism). And the first lesson we learn on the road, whether we like it or not, is how provisional and provincial are the things we imagine to be universal.
Isn’t that a fabulous quote? The whole essay is even better.