Hermione: You realise what we have to do, don't you? straight away, when we get back up to the castle

Harry: Yeah. Give Ron a good kick up the...-GoF

 

"Yeah, Quirrel was a great teacher, except for the slight drawback about him having Voldemort sticking out of the back of his head,"-Harry, OotP

 

"And he says 'where'd you get all them toads? 'Cause some son of a Bludger's gone an' knicked all mine.' An' I says to 'im 'Knicked all your toads? Well, you'll be wanting som'more then.' An' if you'll, believe me, lads, he buys all 'o his own toads back off me for twice what he payed for 'em in the first place,"- Mundugus Fletcher, OotP

 

"Lockhart'll sign anything if it stands still long enough,"- Ron, CoS

 

"'Don't kill Cedric, don't kill Cedric'! Who's Cedric? Your boyfriend,"- Dudley, OotP

 

"Keep Muttering and I will be a murderer!"- Sirius, OotP

 

"Shut up Malfoy, or'll I'll give a real injury,"- Harry, PoA

 

"Who'd have suspected p-poor, st-stuttering Professor Quirrel,"- Quirrel, PS

 

Malfoy: You're dead, Potter.

Harry: Funny, you'd I'd have stopped moving by now.-OotP

 

"That'd be a cheery visit. 'Hey Hagrid. Say have you been setting anything mad and hairy loose in the castle?'"-Ron, CoS

 

Hermione: I'm going to bed before you come up with another brilliant idea to get us killed or worse, expelled.

Ron: She needs to sort out her priorities.- PS Movie