Harry Potter and the Prisoner of Azkaban

You think the dead we loved ever truly leave us? You think that we don't recall them more clearly than ever in times of great trouble?

The consequences of our actions are always so complicated, so diverse, that predicting the future is a very difficult business indeed.

I'm not blamin' yeh … but I gotta tell yeh, I thought you two'd value yer friend more'n broomsticks or rats. Tha's all.

And they didn't desert me at all. Instead, they did something for me that would make my transformations not only bearable, but the best times of my life. They became Animagi.

THEN YOU SHOULD HAVE DIED! DIED RATHER THAN BETRAY YOUR FRIENDS, AS WE WOULD HAVE DONE FOR YOU!

Well, you look in excellent health to me, Potter, so you'll excuse me if I don't let you off homework. I assure you that if you die, you need not hand it in.

When a wizard goes over ter the Dark Side there's nothin' and no one matters to 'em anymore.…

I don’t go looking for trouble. Trouble usually finds me!