Khác biệt giữa bản sửa đổi của “Harry Potter dành cho Muggle/Truyện/Hoàng Tử Lai/Chương 8”

It is revealed later that Voldemort did indeed cast a curse on the Defence Against the Dark Arts position. Ever since Dumbledore rejected him for the job, no teacher has remained in that position for more than one school year. Knowing this, it is curious as to why Snape continually applied for the position each year, or why Dumbledore chooses to appoint him now. It will be learned in the next book that Dumbledore, as a youth, was briefly attracted to the Dark arts when he befriended Gellert Grindelwald, who later became a notorious Dark Wizard that Dumbledore defeated in a famous duel. Dumbledore fully rejected Dark magic, though he never trusted himself to be in a position of power, choosing instead to teach at Hogwarts. One reason Dumbledore may have repeatedly denied Snape the position is because he similarly feared that Snape could be tempted by teaching a subject so closely linked to his Death Eater past. He also knew it was pointless to appoint Snape, assuming he was unlikely to hold the position any longer than his predecessors, and it would risk losing his talented potions instructor. As it turns out, Snape will also only hold the position for the one year. Both Snape and Dumbledore know, however, that Dumbledore's life expectancy is less than a year at this point, and Dumbledore has, [[Muggles' Guide to Harry Potter/Books/Deathly Hallows/Chapter 33|as we see in the final book]], required Snape to promise that he will take over as Headmaster at Hogwarts after Dumbledore's death, to protect the school and the students. Dumbledore also needed to vacate Snape's position so he could bring back Professor Horace Slughorn, Hogwarts' former potions master, solely to obtain an important memory heSlughorn holdshas guarded that is related to Voldemort and his Horcruxes.