Harry Potter and the Prisoner of Azkaban
How we cite our quotes:
Rage such as he had not felt since his last night in Privet Drive was coursing through him. He didn't care that Snape's face had gone rigid, the black eyes flashing dangerously.
"What did you say to me, Potter?"
"I told you to shut up about my dad!" Harry yelled. (14.3.75-7)
Great callback to the night Harry blew up at his aunt for shooting her mouth off about his family (and blew her up too, for that matter). Given how Harry's parents were practically martyred in the war with Voldemort, it's no wonder that he's overly-sensitive to any insult dished out at them.
It was a stag. It was shining brightly as the moon above [...] it was coming back to him [...]
It stopped on the bank. Its hooves made no mark on the soft ground as it stared at Harry with its large, silver eyes. Slowly, it bowed its antlered head. And Harry realized [...]
"Prongs," he whispered.
But as his trembling fingertips stretched toward the creature, it vanished. (21.301)
This is definitely the emotional climax of the novel. The anticipation builds up, and we get the sense Harry is holding his breath, until Prongs finally vanishes. The detail about Harry's trembling fingers is really powerful too.
"You know Harry, in a way you did see your father last night [...] You found him inside yourself." (22.3.56)
Leave it to Dumbledore to perfectly sum up a theme for us. Dumbledore is saying that the people we've loved and lost are still a part of us. So Harry still has his parents with him after all.