[ And the Doctor lives on hope, but he understands the value of something concrete, the need for a plan. He can't offer only hope, in this instance. ]

Truth, then. I know time, I can feel it, everything that was, everything that will be or should be. That's my power. Tampering with time the way you're about to has dire consequences. Each instance it loops, it's another fracture in the foundation of reality, like tiny cracks in the shell of an egg. It will break entirely and you'll cause a cataclysm that will fracture the world. Not a cosy bedtime story, I assure you.

I'm with a group of people, good people, and we're familiar with the woman in the forest, we know how to stop her. One more day. Just wait. Delay the ritual. Give us one more day.