Acting is the hardest job in the entire world. By far. Harder than ditch digging.

It felt like the first thing, but when I first started out, I got a job adapting a book by Russell Banks called 'Rule Of The Bone.' I didn't do a very good job. I didn't really know what I was doing in general, let alone how to adapt a book.

So with 'There Will Be Blood,' I didn't even really feel like I was adapting a book. I was just desperate to find stuff to write.

I'm completely aware of the fact that I'm a control freak.

I always had a dream about trying to make a movie that had no dialogue in it, that was just music and pictures. I still haven't done it yet, but I tried to get close in the beginning.

But I'd be lying if I didn't say that every time you go to make a film, you're desperate to either do it better than you did it last time or to not repeat yourself.

Of course, I'm no dummy.