And I don't want to use my troubles as an example of what to do and what not to do.

Sometimes people call me a success for all the reasons that make me think I'm a failure

But I am not going to live for ever. And the more I know it, the more amazed I am by being here at all.

Heroes to me are guys that sit in libraries. They absorb knowledge and then the risks they take are calculated on the basis of the courage it took to become replete with knowledge.

The greatest single human gift is the ability to chase down our dreams.

I'm not comfortable with walking the red carpet in a tuxedo and seeing all the women with their boobs pushed up and all the men dressed as penguins - particularly when the subject of your film is the nature of violence and humanity.

But it's also another myth to think that you should be as tight as a drum and not have any frailties or fragilities.