My marriage has worked because I am not around much.

I am very cautious of people who are absolutely right, especially when they are vehemently so.

When I'm travelling, I always take my little notebook and scribble things down as I watch them; I'm very much geared to everything that's happening. Whereas, the diary I keep is just about a record of a day I've spent. When I'm filming, I'm looking quite intensely at everything I see and trying to get my own eye on what we're going through.

There are many ways of seeing the world. You can hang upside down from a meteor, volunteer to be the fourth stage of a three-stage rocket, or simply get in a balloon and keep going. But if it's sheer, unadulterated discomfort you're looking for, just stay on land.

Somewhere, a long way away, people are doing sensible things like mowing lawns and digging gardens.

I've been lucky to have made a number of travel programmes with the BBC, the object being to see places off the beaten track. As a result, I've often had a guide who's been able to show me things that you wouldn't see with a tour group.

The Buddhist version of poverty is a situation where you have nothing to contribute.