59. No eventful journey is ever forgotten; Uneventful journeys are not worth writing a book about.
60. Sugar is sweet; Some sweet things are liked by children.
61. Richard is out of temper; No one but Richard can ride that horse.
62. All jokes are meant to amuse; No Act of Parliament is a joke.
63. "I saw it in a newspaper." "All newspapers tell lies."
64. No nightmare is pleasant; Unpleasant experiences are not anxiously desired.
65. Prudent travellers carry plenty of small change; Imprudent travellers lose their luggage.
66. All wasps are unfriendly; No puppies are unfriendly.
67. He called here yesterday; He is no friend of mine.
68. No quadrupeds can whistle; Some cats are quadrupeds.