Don't mess up Pronouns

But it's fun to. Allow Tom Stoppard to explain:

Septimus: Geometry, Hobbes assures us in the Levithan, is the only science God has been pleased to bestow on mankind.

Lady Croom: And what does he mean by it?

Septimus: Mr Hobbes or God?*

* Quoted in the Fowler's Modern English usage.