Happiness can be found in the darkest of times, if one only remembers to turn on the light." (Albus Dumbledore, in the Harry Potter and the Prisoner of Azkaban movie).

He sounds exactly like Moody," said Harry quietly, tucking the letter away again inside his robes. "'Constant vigilance!' You'd think I walk around with my eyes shut, banging off the walls....

But Ron was staring at Hermione as though suddenly seeing her in a whole new light.
“Hermione, Neville’s right — you are a girl. . . .”
“Oh well spotted,” she said acidly.

Ron's indignation on his behalf was worth about a hundred points to him.

I'm going to keep going until I succeed — or die. Don't think I don't know how this might end. I've known it for years.

The scar had not pained Harry for nineteen years. All was well.