Identity Quotes in Harry Potter and the Half-Blood Prince

How we cite our quotes: (chapter.paragraph)

Quote #4

"Not all wizards can do this, of course; it is a question of concentration and mind power which some" – his gaze lingered maliciously on Harry once more – "lack." (9.64)

Oh, Snape. You are so good at hating Harry Potter. Did you get a Ph.D. in that subject? Last time we checked, Harry definitely has concentration and mind power. If only Snape knew what kinds of defense against the Dark Arts Harry had single-handedly taught his cronies last year, he'd be eating his words.

Quote #5

"Well, I have decided that it is time, now that you know what prompted Lord Voldemort to try and kill you fifteen years ago, for you to be given certain information." (10.26)

Why is now a good and appropriate time for Dumbledore to teach Harry about Voldemort? What has Harry learned in the past that has made him ready for this next lesson? Do you think anybody else in the world knows Voldemort as well as Dumbledore? It's almost as though Dumbledore is arming and outfitting Harry with the tools and information necessary to go into battle: he's teaching Harry about his enemy.

Quote #6

"So!" said Gaunt triumphantly, as though he had just proved a complicated point beyond all possible dispute. "Don't you go talking to us as if we're dirt on your shoes! Generations of purebloods, wizards all – more than you can say, I don't doubt!" (10.125)

More often than not, wizards and witches in the world of Harry Potter build their identity around who their family is, whether they are a pureblood, a half-blood, or Muggle-born. Why is lineage important? Why is pureblood ancestry valued? In one of the few examples we have of a pureblood family, we find abuse, maliciousness, and hatred. What does this tell us about family lineage and tradition?