Neither can live while the other survives . . ...

“First think of the person who lives in disguise,Who deals in secrets and tells …”

“Every Ollivander wand has a core of a powerful magical substance, Mr. Potter. W…”

“I was terrified they would desert me the moment they found out what I was. But …”

“Did you like question ten, Moony?" asked Sirius as they emerged into the entran…”