Apparently wizards poke their noses in everywhere!

Yeah, size is no guarantee of power,” said George. “Look at Ginny.” “What d’you mean?” said Harry. “You’ve never been on the receiving end of one of her Bat-Bogey Hexes, have you?

But Dobby shouted, "You shall not harm Harry Potter! ... He got up, face livid, and pulled out his wand, but Dobby raised a long, threatening finger. "You shall go now," he said fiercely, pointing down at Mr. Malfoy. "You shall not touch Harry Potter. You shall go now.

You will also find that help will always be given at Hogwarts to those who ask for it.

Think your little jokes'll help you on your deathbed?" she jeered. "Jokes? No,no, these are manners," replied Dumbledore.

I sometimes find, and I am sure you know the feeling, that I simply have too many thoughts and memories crammed into my mind. “At these times, I use the Pensieve. One simply siphons the excess thoughts from one’s mind, pours them into the basin, and examines them at one’s leisure. It becomes easier to spot patterns and links, you understand, when they are in this form.

You'd better hurry up, they'll be waiting for 'the Chosen Captain' — 'The Boy Who Scored'— whatever they call you these days.