Asghar Farhadi

Classical tragedy was the war between good and evil. We wanted evil to be defeated and good to be victorious. But the battle in modern tragedy is between good and good. And no matter which side wins, we'll still be heartbroken.

Iranian filmmakers are not passive. They fight whenever they can, as creative expression means a lot to them. The restrictions and censorship in Iran are a bit like the British weather: one day it's sunny, the next day it's raining. You just have to hope you walk out into the sunshine.

There are clearly many good politicians who are guided by religious belief, so the mix can work. But there's a line to be drawn. It would be hugely dangerous for a country's laws to be set by the scriptures, and particularly those of the expansionist religions.