“You're seriously talking about a ghost. This building - or parts of it - has been here for two and a half centuries. It would strike me odder if there wasn't a ghost. Not everything, everyone, leaves.”
“When you're a child you're the center of everything. Everything happens for you. Other people? They're only ghosts furnished for you to talk to.”
“True love is like a ghost; everyone talks of it, but few have met it face to face.”
“Liesl knew then that Po had been lying. The ghost did miss the living side. She understood then, too, that everyone drowns differently; and that for everyone, even ghosts, there is a different kind of air.”
“Cedric nodded to Snape. Snape knew the ghost didn’t like to talk to him. Something about a ghost talking to a painting seemed to disturb the boy. Nothing technically human on either end, Snape figured.”
“Rache! Glad you're... Tink loves a duck!" he said, wings clattering. "It stinks of sex in here. God, woman. I leave you alone for one night, and you're humping the ghost." - Jenks to Rachel”