But I donโt think Iโve ever known such a natural at Potions!โ said Slughorn. โInstinctive, you know โ like his mother! Iโve only ever taught a few with this kind of ability, I can tell you that, Sybill โ why even Severus โโ And to Harryโs horror, Slughorn threw out an arm and seemed to scoop Snape out of thin air toward them.
J. K. Rowling