Money and the pope's ears
Some of the best puns come from medieval writers. Some of the most expected puns come from medieval chroniclers, like this one, drawn from the chronicle I'm editing:
"Instabat igitur constanter dictus Falcasius et perseveranter prece et pretio aures pulsare apostolicas usque ad impetrationem litterarum a sede apostolica domino regi Anglie destinandarum"
T…