For centuries, Cubas greatest resource has been its people.

In terms of technology and science, tomorrow does know more than yesterday; but when it comes to emotions, living with uncertainty, terror, I'm not sure we know any more than Shakespeare did, or the Buddha. And the power of new things - the iPhone or Facebook - is so strong and intoxicating that we sometimes forget that none of them can fundamentally change our relation to ourselves and to what matters.

Travel, for me, is a little bit like being in love, because suddenly all your senses are at the setting marked “on.

I wanted to bring the book out right now because I think anyone who cares about Tibet knew there would be disturbances in the run up to the Olympics [2008]. Many Tibetans feel it's their last chance to broadcast their suffering and frustration and pain to the world before the Olympics take place and China is accepted as a modern nation and the world forgets about Tibet.

So travel for me is an act of discovery and of responsibility as well a grand adventure and a constant liberation.

In an age of speed, I began to think nothing could be more exhilarating than going slow. In an age of distraction, nothing can feel more luxurious than paying attention. And in an age of constant movement, nothing is more urgent than sitting still.

In our appetite for gossip, we tend to gobble down everything before us, only to find, too late, that it is our ideals we have consumed, and we have not been enlarged by the feasts but only diminished.