Er — have the Bludgers ever killed anyone?” Harry asked, hoping he sounded offhand. “Never at Hogwarts. We’ve had a couple of broken jaws but nothing worse than that. You don’t have to worry about the Quaffle or the Bludgers —” “— unless they crack my head open.” “Don’t worry, the Weasleys are more than a match for the Bludgers — I mean, they’re like a pair of human Bludgers themselves.

Indifference and neglect often do much more damage than outright dislike ...We wizards have mistreated and abused our fellows for too long, and we are now reaping our reward.

To have been loved so deeply, even though the person who loved us is gone, will give us some protection forever.

Harry, despite your privileged insight into Voldemort’s world (which, incidentally, is a gift any Death Eater would kill to have), you have never been seduced by the Dark Arts, never, even for a second, shown the slightest desire to become one of Voldemort’s followers!” “Of course I haven’t!” said Harry indignantly. “He killed my mum and dad!” “You are protected, in short, by your ability to love!” said Dumbledore loudly.

It is not about striving for immortality, but about accepting mortality.

I am not worried, Harry," said Dumbledore, his voice a little stronger despite the freezing water. "I am with you.

Well, think back," said Harry. "Have you ever let it slip that you'd like to go out in public with the words 'My Sweetheart' round your neck?