what kind of sight is that on the rifle? Did you make the knife? What revolver goes in the holster? What is the meaning of life... 
What is beauty? What is truth?
Why does someone believe you when you say there are four billion stars, but check when you say the paint is wet?
Why do they use sterilized needles for death by lethal injection?
Why do Kamikaze pilots wear helmets?
Why doesn't Tarzan have a beard?
If the temperature is zero outside today and it's going to be twice as cold tomorrow, how cold will it be?
If someone with a split personality threatens to commit suicide, is it a hostage situation?
Should crematoriums give discounts for burn victims?
When your pet bird sees you reading the newspaper, does he wonder why you're just sitting there, staring at carpeting?
