I don't think it's a prize when actors and directors or writers and actors work together more than once. You have a trust and a shorthand and a lot of times you even reach the point, where in the process, you don't even have to talk.

To me this movie is about what is valuable. To one person it might be a stone; to someone else, a story in a magazine; to another, it is a child. The juxtaposition of one man obsessed with finding a valuable diamond with another man risking his life to find his son is the beating heart of this film.

What I was really overwhelmed with by Africa was its tremendous natural beauty; I got to go to some pretty amazing places. Every other weekend we got a day or two off and go on a safari or the natural wonders of Africa and if anyone gets the opportunity to go there, it's something you have to do in your lifetime.

There is no reason why challenging themes and engaging stories have to be mutually exclusive - in fact, each can fuel the other. As a filmmaker, I want to entertain people first and foremost. If out of that comes a greater awareness and understanding of a time or a circumstance, then the hope is that change can happen.

It seems that almost every time a valuable natural resource is discovered in the world-whether it be diamonds, rubber, gold, oil, whatever-often what results is a tragedy for the country in which they are found. Making matters worse, the resulting riches from these resources rarely benefit the people of the country from which they come.

I think one of the privileges of being a filmmaker is the opportunity to remain a kind of perpetual student.

I am a fan of movies and there is something about watching film that is burned into celluloid for all time that is now a piece of history. You go watch, being a fan of classic films and my children and their children are going to be watching these movies.