Potter is mocked by a faculty member for the idea that there is evil in the world from which even children need to learn to defend themselves by the actual practice of doing so rather than familiarity with theory.

There are some things you can't share without ending up liking each other.

No man or woman alive, magical or not, has ever escaped some form of injury, whether physical, mental, or emotional. To hurt is as human as to breathe.

Karakarof spat onto the ground at Dumbledore's feet. In one swift movement, Hagrid seized the front of Karkaroff's furs, lifted him into the air, and slammed him against a nearby tree.

Hermione was screaming again: the sound went through Harry like physical pain.

He chanced a glance at her. She was not tearful; that was one of the many wonderful things about Ginny, she was rarely weepy. He had sometimes thought that having six brothers must have toughened her up.

If I wasn't a writer, I would be depressed.