"Can't say that I've had the pleasure," the Doctor responded at the mention of Lorien. He only knew the name as a elvish kingdom in The Lord of the Rings, and he didn't think that had any bearing on the individual Galen had spoken of.
He was, however, more than a little put off by the idea of his TARDIS carrying on with Galen's ... whatever sort of ship it was. Of all the ridiculous ... "I think not," he said. "Not unless the TARDIS has a mind to, in which case, she always was a cantankerous thing, and I know better than to get in her way when she particularly wants something. It's always a waste of time and effort, all that shouting and hitting things with a mallet." Still, he loved that old ship. He loved her more than almost anything in the universe. She was home, especially now ...
"I don't serve anyone. I'm alone. The Last of the Time Lords. There's no higher authority than me. If you want to help, then you listen, and when I ask something of you, you do it. It's that simple."