Harry - "OI! There's a war going on here!" (When Ron and Hermione kiss- FINALY!)
Dumbledore- "You must kill me,"
Snape-" Would you like me to do it now?" asked Snape, his voice heavy with irony. "Or would you like a few moments to compose an epitaph?"
Order Of The Phoenix page 53 (British version )
Lupin - 'Harry, I've left a letter telling your aunt and uncle not to worry-'
Harry- 'They won't'
Lupin- '-that your safe-'
Harry- 'That'll just depress them'
Lupin- '-and you'll see them next summer'
Harry- 'Do I have to?'