Well, he's not going to get any nicer. He's a genocidal racist maniac. He's one of these people who thinks the world was a great place when Voldemort ruled the world. He's particularly offended by mixed-blood Mudbloods, the product of wizards and humans. So I hope he goes into therapy.
If we ask a vague question, such as, 'What is poetry?' we expect a vague answer, such as, 'Poetry is the music of words,' or 'Poetry is the linguistic correction of disorder.'