I loathe people who say, 'I always read the ending of the book first.' That really irritates me, It's like someone coming to dinner, just opening the fridge and eating pudding, while you're standing there still working on the starter. It's not on.

Whatever happens to your body, your soul will survive, untouched.

He’s gone, Harry told himself. He’s gone. He had to keep thinking it as he washed and dressed, as though repetition would dull the shock of it. He’s gone and he’s not coming back. And that was the simple truth of it, Harry knew, because their protective enchantments meant that it would be impossible, once they vacated this spot, for Ron to find them again.

Aunt Petunia often said that Dudley looked like a baby angel — Harry often said that Dudley looked like a pig in a wig.

In a novel you have to resist the urge to tell everything.

The Chasers throw the Quaffle and put it through the hoops to score,” Harry recited. “So — that’s sort of like basketball on broomsticks with six hoops, isn’t it?” “What’s basketball?” said Wood curiously. “Never mind,” said Harry quickly.

Do you remember me telling you we are practicing non-verbal spells, Potter?" "Yes," said Harry stiffly. "Yes, sir." "There's no need to call me "sir" Professor." The words had escaped him before he knew what he was saying.