Research has been called good business, a necessity, a gamble, a game. It is none of these - it's a state of mind.
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I want films to haunt an audience, to give them something to remember and be able to talk about.
You have to have as many defences in place as you possibly can. But even then of course - and it's important to stress this - you cannot guarantee being able to prevent every attack or every kind of attack.

