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.

The thing about growing up with Fred and George," said Ginny thoughtfully, "is that you sort of start thinking anything's possible if you've got enough nerve.

Dumbledore will only leave from Hogwarts when there are none loyal to him!

Wit beyond measure is a man's greatest treasure.

It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.

It is impossible to live without failing at something, unless you live so cautiously that you might has well not have lived at all, in which case you have failed by default.

It was, he thought, the difference between being dragged into the arena to face a battle to the death and walking into the arena with your head held high. Some people, perhaps, would say that there was little to choose between the two ways, but Dumbledore knew - and so do I, thought Harry, with a rush of fierce pride, and so did my parents - that there was all the difference in the world.

I was set free because my greatest fear had been realized, and I still had a daughter who I adored, and I had an old typewriter and a big idea. And so rock bottom became a solid foundation on which I rebuilt my life.

Humans have a knack for choosing precisely the things that are worst for them.