“I do not know what will be the end of it.”

“I do not know what I regret. I sit with my pen, and cannot find an end to that sentence.”

“What's the matter princess? Do you know the end of your story?”

“I always had this idea that you should never give up a happy middle in the hopes of a happy ending, because there is no such thing as a happy ending. Do you know what I mean? There is so much to lose.”

“He asked me if i really knew what i was doing. I never answered, because I'm not sure we ever really know what we are doing. We feel things in our hearts, make decisions, hear voices in our heads that tells us what to do, but in the end we never know how things will turn out.”

“Do you know what I think, Potter?' said Snape, very quietly. "I think that you are a liar and a cheat and that you deserve detention with me every Saturday until the end of term. What do you think, Potter?”