One Liners 11-20

Why is it, when a door is open it's ajar, but when a jar is open, it's not adoor?

Tell a man that there are 400 billion stars and he'll believe you. Tell him a bench has wet paint and he has to touch it.

How come Superman could stop bullets with his chest, but always ducked when someone threw a gun at him?

Why is lemon juice mostly artificial ingredients but dishwashing liquid contains real lemons?

Why do we wait until a pig is dead to "cure" it?

Why do we put suits in a garment bag and put garments in a suitcase?

Why doesn't glue stick to the inside of the bottle?

Do Roman paramedics refer to IV's as "4's"?

What do little birdies see when they get knocked unconscious?

Why doesn't Tarzan have a beard?