Why are watch-dogs bigger by night than by day? Because they are let out at night and taken in in the morning.

Why is B like a hot fire? Because it makes oil Boil.

Why is a schoolmaster like a bootblack? Because he polishes the understandings of the people.

When is a store-keeper always above his business? When he lives over his store.

Which is the liveliest city in the world? Berlin; because it's always on the Spree.

Why is a water-lily like a whale? Because they both come to the surface to blow.

Why is a shoemaker the most industrious of men? Because he works to the last.

What is book-keeping? Forgetting to return borrowed volumes.

Why is scooping out a turnip a noisy process? Because it makes it hollow.