" Everything went pitch-black and the next thing I knew, I was being hurled headfirst out of the room!”
“And you didn’t see that coming?” said Harry, unable to help himself.
“No, I did not, as I say, it was pitch —” Professor Trelawny stopped and glared at him suspiciously. "

― J.K. Rowling , Harry Potter and the Half-Blood Prince (Harry Potter, #6)