Joanne Kathleen Rowling, JK Rowling. Harry Potter and the philosopher's stone (№ 428764)

- No, no and NO. Quirrell shook his head flatly. “I tried to kill you, Potter. Your friend Miss Granger accidentally knocked me off my feet while running towards Snape to set his robes on fire. I fell and my eye contact was cut off. It took me a few seconds to throw you off the broomstick. Of course, you would have been dead a long time ago if Snape hadn't tried to save you. After all, it was he who muttered the countercurse under his breath.