Simon McBurney

Everyone sees something different in 'Endgame': a biblical apocalypse, a portrait of painful co-dependency, a confession of guilt and dignity in the face of death, a night of baffling hopelessness, a meaningless babble. Each interpretation reveals an absurd truth - not about the play, but about the person watching it.

What I look for when I see a piece of art for the first time is some kind of emotional, intellectual experience, that's a combination of both of those things and is informed by my knowledge and something new that I see the artist doing.

We feel closer to the drawings on the walls of Chauvet than the painting of, say, an Egyptian mural. These artists are not remote ancestors; they are brothers. They saw like us; they drew like us. We wear essentially the same clothes against the cold.

If you think about evolution, sleep, at some time, was a dangerous undertaking. You lie down in your cave or shelter, and along comes a predator and has you for dinner. Many creatures do not sleep or sleep while standing so they can escape from dangerous situations.