books.google.de - Brecht's famous parable, written in exile in 1939-41, shows that in an unjust society good can only survive by means of evil. In it, the gods come to earth in search of enough good people to justify their existence. They find Shen Teh, a good-hearted but penniless prostitute, and make her a gift that...http://books.google.de/books/about/The_good_person_of_Szechwan.html?hl=de&id=-vpdAAAAIAAJ&utm_source=gb-gplus-shareThe good person of Szechwan