Play by Tom Stoppard, with music by Andre Previn.

"I assure you there is not much in it. Taken as a whole, the sane are out there and the sick are in here. For example, YOU are here because you have delusions, that sane people are put in mental hospitals."

A dissident is locked up in an asylum. If he accepts that he was ill, has been treated and is now cured, he will be released. He refuses.