"There are some things you can't share without ending up liking each other, and knocking out a twelve-foot mountain troll is one of them."
"To the well-organized mind, death is but the next great adventure."
"I hope you're pleased with yourselves. We could all have been killed - or worse, expelled. Now if you don't mind, I'm going to bed."
"It does not do to dwell on dreams and forget to live."
"Your mother died to save you. If there is one thing Voldemort cannot understand, it is love. Love as powerful as your mother's for you leaves it's own mark. To have been loved so deeply, even though the person who loved us is gone, will give us some protection forever."
"Fear of a name increases fear of the thing itself."