[his voice is gentle as he steps forward] No. Merely a statement.

You did what needed to be done, Doctor. It doesn't make you a monster. The best of them...would have understood.

[the best of them; there's a sudden, aching emptiness in his chest, and he loathes the vulnerability of it, even as he allows it to bleed into his words]

You - know for certain you're the only survivor?