DOCTOR: Sometimes I think there's way too much coincidence around you, Donna. I met you once, then I met your grandfather, then I met you again! In the whole wide universe, I met you for a second time! It's like something's binding us together.

ROSE: He was a Time Lord. Last of his kind.

DONNA: But if he was so special, what was he doing with me?

ROSE: He thought you were brilliant.

DONNA: Don't be stupid.

ROSE: But you are. It just took the Doctor to show you that, simply by being with him. He did the same to me. To everyone he touches.