I can’t tell you how I knew—
but I did know that I had crossed
The border. Everything I loved was lost
But no aorta could report regret.
A sun of rubber was convulsed and set;
And blood-black nothingness began to spin
A system of cells interlinked within
Cells interlinked within cells interlinked
Within one stem. And dreadfully distinct
Against the dark, a tall white fountain played.
I realized, of course, that it was made
Not of our atoms; that the sense behind
The scene was not our sense.
“
— Vladimir Nabokov, Pale Fire (1962)