According to Samuel Johnson, the proper use of tea was to relax the studious. The Fourth Doctor quoted Johnson's claim while in the Morovanian Museum. (AUDIO: The Renaissance Man)
Samuel Johnson had once told the Doctor that there was nothing which had yet been contrived by man which produced as much happiness as a good tavern or inn. (PROSE: Synthespians™)
The Eleventh Doctor warned Nora Wicker against playing Scrabble with Johnson, calling him a 'terrible cheat.' (AUDIO: The World Tree (audio story))