Dementors are among the foulest creatures that walk this earth. They infest the darkest, filthiest places, they glory in decay and despair, they drain peace, hope, and happiness out of the air around them. Even Muggles feel their presence, though they can’t see them. Get too near a Dementor and every good feeling, every happy memory will be sucked out of you. If it can, the Dementor will feed on you long enough to reduce you to something like itself — soul-less and evil. You’ll be left with nothing but the worst experiences of your life.

[about his dress robes...] I’m never wearing them," Ron was saying stubbornly. "Never." "Fine," snapped Mrs. Weasley. "Go naked. And, Harry, make sure you get a picture of him. Goodness knows I could do with a laugh.

There are those who'll turn innocent occasions to their advantage.

You can try, but you seem cleverer than Fudge, so I'd have thought you'd have learned from his mistakes. He tried intervening at Hogwarts. You might have noticed he's not Minister anymore, but Dumbledore's still headmaster. I'd leave Dumbledore alone, if I were you.

It frightened people when you were honest; it shocked them.

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

Lee Jordan was finding it difficult not to take sides. 'So — after that obvious and disgusting bit of cheating —' 'Jordan!' growled Professor McGonagall. 'I mean after that open and revolting foul —' 'Jordan, I'm warning you —' 'All right, all right. Flint nearly kills the Gryffindor Seeker, which could happen to anyone, I'm sure, so a penalty to Gryffindor, taken by Spinnet, who puts it away, no trouble, and we continue play, Gryffindor still in possession.