A show that's been successful that been on a while, chances are it's going to stay that way. At least it's going to maintain some kind of standard. But when a show begins, there's no telling. Even after 13 shows or a whole year, you don't know what will become of it.
If a man, before he passed from one stage to another, could know his future life in full detail, he would have nothing to live for. It is the same with the life of humanity. If it had a programme of the life which awaited it before entering a new stage, it would be the surest sign that it was not living, nor advancing, but simply rotating in the same place.