Hannah: Oh!, but . . . how beautiful!
Valentine: The Coverly set. [...] See? In an ocean of ashes, islands of order. Patterns making themselves out of nothing. I can't show you how deep it goes. Each picture is a detail of the previous one, blown up. And so on. For ever. (2.7)
Valentine: Heat goes to cold. It's a one-way street. Your tea will end up at room temperature. What's happening to your tea is happening to everything everywhere. The sun and the stars. It'll take a while but we're all going to end up at room temperature. When your hermit set up shop nobody understood this. But let's say you're right, in 18-whatever nobody knew more about heat than this scribbling nutter living in a hovel in Derbyshire. [...] Whatever he thought he was doing to save the world with good English algebra it wasn't this! [...] Because there's an order things can't happen in. You can't open a door till there's a house. (2.7)
Septimus: Geometry, Hobbes assures us in the Leviathan, is the only science God has been pleased to bestow on mankind.
Thomasina: Oh, pooh to Hobbes! Mountains are not pyramids and trees are not cones. God must love gunnery and architecture if Euclid is his only geometry. (2.7)