Sometimes, you have to get angry to get things done.

Over the years Woodstock got glorified and romanticised and became the event that symbolised Utopia. It's the last page of our collective memory of the age of innocence. Then things turned ugly and would never be the same again.

A movie is really provocation. It's not a message, it's not a statement.

When there is a strong woman character in a story - that always grabs me.

I think the book struck me in a few ways that I thought very interesting to pick it as my first martial arts film. It has a very strong female character and it was very abundant in classic Chinese textures.

I hope people don't compare 2D and 3D because 3D's new, it's unfair to compare to 2D which is really sophisticated, even when we're jaded about it. 3D just began, give it a chance, let the equipment and projection system catch up and be better, let the price go down, let more filmmakers get a hold of it more easily.

3D is quite a lot more advanced in animated movies; for live-action movies we're just taking baby steps, we're just in the beginning.

The source of all the material comes from nothingness, illusion is working more on things you can prove. That's the principle, the essence of life, it is actually an illusion, not immaterial. That's worth pursuing. So illusion is not nothing. In a way, that is the truth.

Sexuality is a big issue, but there are others - how much you commit to a relationship, to social obligation, to honesty and being honest with yourself.