Now, you two – this year, you behave yourselves. If I get one more owl telling me you've – you've blown up a toilet or –" "Blown up a toilet? We've never blown up a toilet." "Great idea though, thanks, Mum.

I never know," Harry called to Hagrid over the noise of the cart, "What's the difference between a stalagmite and a stalactite?" "Stalagmite's got an 'm' in it," said Hagrid.

I'm happy to talk in general themes, but when we get down to specifics about my family, for me that's always been off-limits.

Harry was speeding toward the ground when the crowd saw him clap his hand to his mouth as though he was going to be sick-he hit the field on all fours-coughed-and something gold fell into his hand. 'I've got the snitch!' he shouted, waving it above his head, and the game ended in complete confusion. 'He didn't catch it, he nearly swalloed it,' Flint was still howling twenty minutes later, but it made no difference-Harry hadn't broken any rules and Lee Jordan was still happily shouting the results-Gryffindor had won by 170 points to 60.

The internet has been a boon and a curse for teenagers.

Bad news, Harry. I've just been to see Professor McGonagall about the Firebolt. She – er, got a bit shirty with me. Told me I'd got my priorities wrong. Seemed to think I cared more about winning the Cup than I do about staying alive. Just because I told her I didn't care if it threw you off, as long as you caught the Snitch first.

Ron's indignation on his behalf was worth about a hundred points to him.