It takes a great deal of bravery to stand up to your enemies, but a great deal more to stand up to your friends.
A pity they let the old punishments die. Was a time detention would find you hanging by your thumbs in the dungeons. God, I miss the screaming.
What happened down in the dungeons between you and Professor Quirrell is a complete secret. So, naturally, the whole school knows.[to Harry]
She needs to sort out her priorities.[Hermione Granger: Now, if you two don’t mind, I’m going to bed before either of you come up with another clever idea to get us killed. Or worse, expelled.]
Only a person who wanted to find the Stone, find it, but not use it, would be able to get it. That is one of my more brilliant ideas. And between you and me, that is saying something.[to Harry]