" What was making Harry feel so horrified and unhappy was not being shouted at or having jars thrown at him – it was that he knew how it felt to humiliated in the middle of a circle of onlookers, knew exactly how Snape had felt as his father had taunted him, and that judging from what he had just seen, his father had been every bit as arrogant as Snape had always told him. "

― J.K. Rowling , Harry Potter and the Order of the Phoenix (Book 5 - Part 2)