And is that considered a dangerous profession...

Horace Slughorn : What about you, Miss Granger? What do your parents do in the muggle world?
Hermione Granger : Ah, my parents are dentists.
Horace Slughorn : And is that considered a dangerous profession?

Professor Horace Slughorn

Read more Professor Horace Slughorn Quotes
From: Harry Potter and the Half-Blood Prince (2009)

Harry Potter and the Half-Blood Prince (2009) quotes

Waitress : "Harry Potter." Who's Harry Potter?
Harry Potter : Oh, no one. Bit of a tosser, really.

Waitress, Harry Potter

Farewell, Aragog. King of the arachnids. Your body will decay... but your spirit lingers on and your human friends find solace, the loss they have sustained.

Professor Horace Slughorn

Snape! He trusted you!