The phrase, from so long ago, struck a cord in the Doctor. He held his breath for a moment, then allowed the slightest of smiles to touch his lips. It had been a very long time since he'd smiled.

"None of it is good," he said. He took his free hand and gestured to the rest of the place around them, as if to say that obviously he wasn't referring to the Master's resurrection. The Master, as in all things, was exempt from his normal judgements.

"We can stop this," he promised, quietly. "I know how we can stop this."