Why are teeth like verbs? Because they are regular, irregular, and defective.
What ships hardly ever sail out of sight? Hardships.
When is an artist a dangerous person? When his designs are bad.
Why are tortoiseshell combs like citadels? They are for-tresses.
Why is the Isthmus of Suez like the first "u" in cucumber? Because it is between two "c's" (seas).
What motive led to the invention of railroads? The loco-motive.
Why are deaf people like Dutch cheeses? Because you can't make them here.
When is the best time to get a fresh egg at sea? When the ship lays to.
Who was the first whistler? The wind.
Why need a traveler never starve in the desert? Because of the sand which is (sandwiches) there.