Speer got quite a lot done in Berlin and if hostilities had not started early he would have transformed it utterly, with consequences far more hideou… - Clive James

The literary critic, or the critic of any other specific form of artistic expression, may detach himself from the world for as long as the work of art he is contemplating appears to do the same.

Since the Nazi era need never have happened, to say that he prophesised it is actually a belittlement of his creative achievement, and only one step up from saying that he caused the whole thing. But nobody could now read The Trial without thinking of the Soviet show trials, or the short works Metamorphosis and In the Penal Colony without thinking of the death camps.

The question isn't about what Schubert would have done if he had lived as long as Beethoven. The question is about what Schubert would have done if he had lived as long as Mozart.