[interest pointed in his direction generally tends to make Rincewind nervous, but it's counteracted here by the opportunity to impress someone with wizardry. Failure though he is, even Rincewind isn't immune to a wizard's need to look Important.]

Of course there is. Can't have a bunch of untrained wizards accidentally burning towns down or turning the family cat into a tea kettle. There's got to be discipline. Magic is a bloody dangerous business on the whole, after all.