" I mean it,' said Bosie seriously. 'I'd like to murder him, in cold blood.'
'Well, you can't, Bosie,' said Oscar, 'leastways, not tonight.'
'Why not?' demanded Bosie petulantly.
'It's Sunday, Bosie,' said Oscar, 'and a gentleman never murders his father on a Sunday. You should know that. Did they teach you nothing at Winchester? "

― Gyles Brandreth , Oscar Wilde and the Ring of Death