Tact is just lying for adults.

You fucking bustard!” yelled Draco at Vampire. “I want to shit next to her!

HARRY: "Oh, Draco . . . we can’t. We can’t use it."

Draco looks up at Harry, and for the first time — at the bottom of this dreadful pit — they look at each other as friends.

DRACO: "We have to find them — if it takes centuries, we must find our sons —

You know your mother, Malfoy?” said Harry “That expression she’s got, like she’s got dung under her nose? Has she always looked like that, or was it just because you were with her?

it is exceptionally lonely, being Draco Malfoy.

When the Dark Lord takes over, is he going to care how many O.W.L.s or N.E.W.T.s anyone’s got? Of course he isn’t. . . . It’ll be all about the kind of service he received, the level of devotion he was shown.