[He isn't trying to be enigmatic, give him a moment.]

I am-- as old as this planet. And it is not young. The form you see is a spirit. Projected by my consciousness so that you can understand me. To a human, I am like a god in the breadth and scope of my power. Do you understand?

[It's rather obvious that he'd like her to, at least.]

Thank you. I... appreciate that.