Georgette Heyer said this quote

I don't ask you - fribble!' snapped his lordship, rounding on him, with the speed of a whiplash. 'You may keep your tongue between your teeth!'Yes, sir - happy to!' uttered Claud, dismayed. 'No wish to offend you! Thought you might like to be set right!''Thought I might like to be set right?''No, no! Spoke without thinking!' said Claud hastily. ' I know you don't!