Only one thing mattered: this was not a Horcrux. Dumbledore had weakened himself by drinking that horrible potion for nothing. Harry crumpled the parchment in his hand and his eyes burned with tears as behind him Fang began to howl.

He [Uncle Vernon] held up the envelope in which Mrs. Weasley’s letter had come, and Harry had to fight down a laugh. Every bit of it was covered in stamps except for a square inch on the front, into which Mrs. Weasley had squeezed the Dursleys’ address in minute writing. “She did put enough stamps on, then,” said Harry, trying to sound as though Mrs. Weasley’s was a mistake anyone could make.

But you've been too busy saving the Wizarding world. Well ... I can't say I'm surprised. I knew this would happen in the end. I knew you wouldn't be happy unless you were hunting Voldemort. Maybe that's why I like you so much.

Pity you can't attach an extra arm to your [broom], Malfoy. Then it could catch the Snitch for you.

The most important thing is to read as much as you can, like I did. It will give you an understanding of what makes good writing and it will enlarge your vocabulary.

And sure enough, in seeking to become superhuman this foolhardy young man renders himself inhuman. The heart that he has locked away slowly shrivels and grows hair, symbolising his own descent to beasthood.

There is no good and evil, there is only power and those too weak to seek it.