So just chalk it up to pixie dust or quantum entanglement, which was the same thing as pixie dust except with the word “quantum” in it. - Ben Aaronovitch

Are you a practitioner?" I ask. "A wizard?"
"Sorceress, my dear," she says. "Practitioner is how the gentlemen have styled themselves, as quacks now style themselves as physicians.

The police can live with looking corrupt, bullying, or tyrannical, but looking stupid is intolerable. It has a tendency to undermine public faith in the forces of Law and is deleterious to public order.

This is a terrible work," I said. "Why did you do it?"
"The usual reasons," said the Magister. "I told myself it was piety and duty to the Church, but a thousand years of contemplation will batter down the doors of one's own delusions.