I know that Company has an open-ended run, or so I was told a while ago, so it does not have an indefinite closing date. :)
"I am and always will be the optimist. The hoper of far-flung hopes and dreamer of improbable dreams." - Doctor Who
"Yes, the brutalities of progress are called revolutions. When they are over, men recognize that the human race has been harshly treated but it has moved forward." - Les Miserables