We travel, initially, to lose ourselves; and we travel, next, to find ourselves. We travel to open our hearts and eyes and learn more about the world than our newspapers will accommodate. We travel to bring what little we can, in our ignorance and knowledge, to those parts of the globe whose riches are differently dispersed. And we travel, in essence, to become young fools again — to slow time down and get taken in, and fall in love once more.

The beauty of this whole process was best described, perhaps, before people even took to frequent flying, by George Santayana in his lapidary essay, “The Philosophy of Travel.” We “need sometimes,” the Harvard philosopher wrote, “to escape into open solitudes, into aimlessness, into the moral holiday of running some pure hazard, in order to sharpen the edge of life, to taste hardship, and to be compelled to work desperately for a moment at no matter what.”

 

I like that stress on work, since never more than on the road are we shown how proportional our blessings are to the difficulty that precedes them; and I like the stress on a holiday that’s “moral” since we fall into our ethical habits as easily as into our beds at night. Few of us ever forget the connection between “travel” and “travail,” and I know that I travel in large part in search of hardship — both my own, which I want to feel, and others’, which I need to see. Travel in that sense guides us toward a better balance of wisdom and compassion — of seeing the world clearly, and yet feeling it truly. For seeing without feeling can obviously be uncaring; while feeling without seeing can be blind.

Yet for me the first great joy of traveling is simply the luxury of leaving all my beliefs and certainties at home, and seeing everything I thought I knew in a different light, and from a crooked angle. In that regard, even a Kentucky Fried Chicken outlet (in Beijing) or a scratchy revival showing of “Wild Orchids” (on the Champs-Elysees) can be both novelty and revelation: In China, after all, people will pay a whole week’s wages to eat with Colonel Sanders, and in Paris, Mickey Rourke is regarded as the greatest actor since Jerry Lewis.

 

But for the rest of us, 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.

 

By now all of us have heard (too often) the old Proust line about how the real voyage of discovery consists not in seeing new places but in seeing with new eyes. Yet one of the subtler beauties of travel is that it enables you to bring new eyes to the people you encounter. Thus even as holidays help you appreciate your own home more — not least by seeing it through a distant admirer’s eyes — they help you bring newly appreciative — distant — eyes to the places you visit. You can teach them what they have to celebrate as much as you celebrate what they have to teach. This, I think, is how tourism, which so obviously destroys cultures, can also resuscitate or revive them, how it has created new “traditional” dances in Bali, and caused craftsmen in India to pay new attention to their works. If the first thing we can bring the Cubans is a real and balanced sense of what contemporary America is like, the second — and perhaps more important — thing we can bring them is a fresh and renewed sense of how special are the warmth and beauty of their country, for those who can compare it with other places around the globe.

 

Thus travel spins us round in two ways at once: It shows us the sights and values and issues that we might ordinarily ignore; but it also, and more deeply, shows us all the parts of ourselves that might otherwise grow rusty. For in traveling to a truly foreign place, we inevitably travel to moods and states of mind and hidden inward passages that we’d otherwise seldom have cause to visit.

On the most basic level, when I’m in Thailand, though a teetotaler who usually goes to bed at 9 p.m., I stay up till dawn in the local bars; and in Tibet, though not a real Buddhist, I spend days on end in temples, listening to the chants of sutras. I go to Iceland to visit the lunar spaces within me, and, in the uncanny quietude and emptiness of that vast and treeless world, to tap parts of myself generally obscured by chatter and routine.

 

We travel, then, in search of both self and anonymity — and, of course, in finding the one we apprehend the other. Abroad, we are wonderfully free of caste and job and standing; we are, as Hazlitt puts it, just the “gentlemen in the parlour,” and people cannot put a name or tag to us. And precisely because we are clarified in this way, and freed of inessential labels, we have the opportunity to come into contact with more essential parts of ourselves (which may begin to explain why we may feel most alive when far from home).

 

Abroad is the place where we stay up late, follow impulse and find ourselves as wide open as when we are in love. We live without a past or future, for a moment at least, and are ourselves up for grabs and open to interpretation. We even may become mysterious — to others, at first, and sometimes to ourselves — and, as no less a dignitary than Oliver Cromwell once noted, “A man never goes so far as when he doesn’t know where he is going.”

 

There are, of course, great dangers to this, as to every kind of freedom, but the great promise of it is that, traveling, we are born again, and able to return at moments to a younger and a more open kind of self. Traveling is a way to reverse time, to a small extent, and make a day last a year — or at least 45 hours — and traveling is an easy way of surrounding ourselves, as in childhood, with what we cannot understand. Language facilitates this cracking open, for when we go to France, we often migrate to French, and the more childlike self, simple and polite, that speaking a foreign language educes. Even when I’m not speaking pidgin English in Hanoi, I’m simplified in a positive way, and concerned not with expressing myself, but simply making sense.

 

So travel, for many of us, is a quest for not just the unknown, but the unknowing; I, at least, travel in search of an innocent eye that can return me to a more innocent self. I tend to believe more abroad than I do at home (which, though treacherous again, can at least help me to extend my vision), and I tend to be more easily excited abroad, and even kinder. And since no one I meet can “place” me — no one can fix me in my risumi –I can remake myself for better, as well as, of course, for worse (if travel is notoriously a cradle for false identities, it can also, at its best, be a crucible for truer ones). In this way, travel can be a kind of monasticism on the move: On the road, we often live more simply (even when staying in a luxury hotel), with no more possessions than we can carry, and surrendering ourselves to chance.

 

I remember, in fact, after my first trips to Southeast Asia, more than a decade ago, how I would come back to my apartment in New York, and lie in my bed, kept up by something more than jet lag, playing back, in my memory, over and over, all that I had experienced, and paging wistfully though my photographs and reading and re-reading my diaries, as if to extract some mystery from them. Anyone witnessing this strange scene would have drawn the right conclusion: I was in love.

 

For if every true love affair can feel like a journey to a foreign country, where you can’t quite speak the language, and you don’t know where you’re going, and you’re pulled ever deeper into the inviting darkness, every trip to a foreign country can be a love affair, where you’re left puzzling over who you are and whom you’ve fallen in love with. All the great travel books are love stories, by some reckoning — from the Odyssey and the Aeneid to the Divine Comedy and the New Testament — and all good trips are, like love, about being carried out of yourself and deposited in the midst of terror and wonder.