“I’ve always felt that travel is a serious subject whose rewards go well beyond that of entertainment and recreation. The average magazine or newspaper editor looks upon travel as a subject of trivia, as something that you engage in to relax from stress, to reinvigorate you. I’ve never believed that.

“We all tell ourselves that we’re stressed out, that we’ve gotta have a vacation. We dream of going to a Caribbean island and just lying on the beach for two weeks and relaxing and getting away from the rat race. We go to the Caribbean and we lie down on the beach and after one hour we begin to fidget. We’re already as well rested as we ever need to be, and then we’re looking for something more profound to do. But of course by that time there is nothing else to do.

“I believe that travel is one of the finest methods of self-education, that travel pursued properly expands your horizons. I have always tried to emphasize that goal and to make explicit that the best form of travel is a learning approach.