Draco Malfoy is a bad boy!" squeaked Dobby angrily.

Mr. Moony presents his compliments to Professor Snape, and begs him to keep his abnormally large nose out of other people's business. Mr. Prongs agrees with Mr. Moony, and would like to add that Professor Snape is an ugly git. Mr. Padfoot would like to register his astonishment that an idiot like that ever became a professor. Mr. Wormtail bids Professor Snape good day, and advises him to wash his hair, the slimeball.

However,' said Dumbledore, speaking very slowly and clearly so that none of them could miss a word, 'you will find that I will only truly have left this school when none here are loyal to me. You will also find that help will be given at Hogwarts to those who ask for it.

Greatness inspires envy, envy engenders spite, spite spawns lies.

Krystal’s slow passage up the school had resembled the passage of a goat through the body of a boa constrictor, being highly visible and uncomfortable for both parties concerned.

Potter! There are hundreds of people thundering through my pub!

Hearing voices no one else can hear isn't a good sign, even in the wizarding world.