It's whether they have a vision and whether they're able to communicate it. The best director is just someone who gets over-excited about doing it - they don't even have to know much about camera or acting.

People have the idea of missionaries as going out with the Bible and hitting natives with it. It's not really what they were doing. They were all doing something rather different.

I think everyone is throwing happy stuff at you, and that's when you come over all humbug. It's happy stuff in your face, happy stuff is being sold to you.

I don't think it's aiming at gags, I think the humour is woven into it. It's part of how the characters operate and how they deal with disaster because they're worldly enough to have a bit of irony and wryness about their own circumstances. So, I think the humour comes out of that.

One of my grandfathers, actually, having gone out there as a minister, decided he would better serve the people as a doctor. So at a very late age - at the age of 38 in fact - he changed course and decided to become a doctor.

I love you even when you're sick and look disgusting.

I don't know if there's a problem with original ideas... I think a healthy film industry should have a good supply of good, original writing.