[The Doctor rubs the corners of his mouth, trying to think really hard about this.] I'm not discrediting those that are missing. You're right, we don't know, but... I don't know if we can do anything.

Look, I can get us out of here, blast through the barrier, and we go. I'm working on a project that'll allow this. If we can get past that step, then we'll work on saving the others, yeah?