I am always trying to find how to get the message through. [In Munich] we custom-made five thousand backpacks like the ones of those students [who died in Sichuan] to construct a simple sentence [spoken by the] mother of a dead student. It was: 'She has been happily living in this world for seven years.'

2010- - Ai Weiwei, interview by Christiane Amanpour, 2010