"I think you do. I think you came here with a plan, but you didn't expect to fall in love. But that's what happens. Use it, Charlie, learn from it, please."
"Let him go, cos you do not want those words to be your last ones.'
"Brilliant, made it worse."
And not a quote, but when she discovers the Tardis has a custard cream dispenser, that is a top tier moment. As is "I don't recognise anyone by that description" from Rosa.