29. All improbable stories are doubted; None of these stories are probable.
30. "He told me you had gone away." "He never says one word of truth."
31. His songs never last an hour; A song, that lasts an hour, is tedious.
32. No bride-cakes are wholesome; Unwholesome food should be avoided.
33. No old misers are cheerful; Some old misers are thin.
34. All ducks waddle; Nothing that waddles is graceful.
35. No Professors are ignorant; Some ignorant people are conceited.
36. Toothache is never pleasant; Warmth is never unpleasant.
37. Bores are terrible; You are a bore.
38. Some mountains are insurmountable; All stiles can be surmounted.