I am doubting the existence of Schubert. 
Pressed, I used to admit this much:
Schubert was there,
somewhere … in his coy Biedermeier way. 
But what gives me cause to believe? 
I’ve never been “there.” Certainly not “then.”
Don’t I own Schubert?—Don’t I trade in him?
Isn’t my power over him limitless?