Every day. Every hour. This very minute, in fact, dark forces attempt to penetrate these walls. This time, I cannot help you destroy it... alone.
Read more Professor Albus Dumbledore QuotesFrom: Harry Potter and the Half-Blood Prince (2009)
Remus Lupin : You're blinded by hatred.Harry Potter : No I'm not!Remus Lupin : Yes you are!
Harry, I'd like you to meet Professor Horace Slughorn.
Ron Weasley : Hello darling fancy a drink?Horace Slughorn : Perhaps you're right Harry.