Oh, no," said the Lecturer in Recent Runes, pushing his chair back. "Not that....

Oh, no," said the Lecturer in Recent Runes, pushing his chair back. "Not that. That's meddling with things you don't understand."
"Well, we are wizards," said Ridcully. "We're supposed to meddle in things we don't understand. If we hung around waitin' till we understood things we'd never get anything done."