Snape! He trusted you!
Read more Harry Potter QuotesFrom: Harry Potter and the Half-Blood Prince (2009)
Horace Slughorn : Harry! I must insist you accompany me back to the castle immediately!Harry Potter : That would be counterproductive, sir!Horace Slughorn : What makes you say that?Harry Potter : No idea!
Years ago, I met a boy. He made all the wrong choices. You see, a student, like any other... his name was Tom Riddle. Today, the world knows him by another name... Voldemort.
This is beyond anything I imagine. This is a different kind of magic. Very dark. Very parcel. Once again, I must ask too much of you, Harry.