But remember the Doctor's face in this scene. He is not overjoyed at the reunion. He is shocked at what his companions have become. Martha Jones, willing to destroy her race to save the Universe, just like the Doctor. And Rose Tyler, cheering it on.
"I don't know whether this bit of speech was meant to be so meaningful, but for me it was. It's just such a good sentiment: That you're still developing as a person and you can change any bit of you that doesn't work." - Suggested by Scott Bryan, BuzzFeed
I am and always will be the optimist. The hoper of far-flung hopes. The dream of improbably dreams. --Thinking of getting "Dreamer" as a tattoo on my wrist. If my wrist were bigger I would consider "Optimist, Hoper, Dreamer"