He asks for the sources from whence it is derived.

He resorts to his maxims of political economy, and they cannot inform him.

He calculates the number of acres of land in England, adds up the rental, and is again at fault.

He inquires into the statistics of the Exchange, and discovers that even that is inadequate; and, as a last resource, concludes that the whole world is tributary to this Queen of Cities.

It is the heart of the Universe.