The Causal Angel (Jean le Flambeur)

And whenever I hear a man talk about moving mountains and great quests, there is always someone he is doing it for, and that someone is not just a friend.

He is so much smaller than she is. She is in the rock and the atmosphere and in the computronium beneath the crust of the planet and in the thread-modes of the event horizon of the black hole. He is a mess of carbon atoms and entanglements and q-dots and water, barely larger than the least of her gogols.