River Song

"I wasn't here. I wasn't supposed to be here."

"In the end, he always chooses her."

"You can't ever know where you stand with the Doctor."

"I've lived a lot of lifetimes, and I've loved more than once."

"The Doctor doesn't like endings."

"You don't understand. I know this man. And I know he's coming."

"I'd kill myself before I hurt him."

"Mummy, Daddy, hello!"

"The Doctor is the man who keeps running. We all know that."

"Love in the time of the Time War."

"I'm always more of a lover than a fighter."

"Some things are worth being afraid of."

"You're going to have a very interesting life."

"I didn't start this. The Doctor did."

"The Doctor is worth fighting for."

"You can't fight time itself."

"I was there when you were born."

"This is a spoiler. I'm going to die."

"The Doctor has a secret. Everyone knows it."

"Love makes you do the impossible."

"I've lived in a time machine. You haven't."

"The Doctor doesn't do happy endings."

"What's the point of being a Time Lord if you can't change your own timeline?"

"I'm not going to die. Well, I am, but not here."

"The Doctor's not a lonely god. He's an old married man."

"You're going to leave him. He knows it."

"I've got all my lives ahead of me."

"The Doctor falls because he loves too much."

"You can trust him. He'll save you."

"I know who I am. The question is, do you?"