39. No Frenchmen like plumpudding; All Englishmen like plumpudding.
40. No idlers win fame; Some painters are not idle.
41. No lobsters are unreasonable; No reasonable creatures expect impossibilities.
42. No kind deed is unlawful; What is lawful may be done without fear.
43. No fossils can be crossed in love; Any oyster may be crossed in love.
44. "This is beyond endurance!" "Well, nothing beyond endurance has ever happened to me."
45. All uneducated men are shallow; All these students are educated.
46. All my cousins are unjust; No judges are unjust.
47. No country, that has been explored, is infested by dragons; Unexplored countries are fascinating.
48. No misers are generous; Some old men are not generous.