It's always great to do a movie that you find is entertaining, but also can give some sort of political or social message.

I never thought about that ever throughout the entire course of my career about choosing a specific role because it would make me seem more man-like.

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.

I maintain that no movie can be funny enough. I mean even the most serious, even the most intense movie and I know enough about life to know in those dark moments inevitably someone will say something funny and I will be part of the whole experience.

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.

I have nothing against diamonds, or rubies or emeralds or sapphires. I do object when their acquisition is complicit in the debasement of children or the destruction of a country.

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.