Lightbulbs

How many psychiatrists does it take to change a light bulb? One, but only if the light bulb really wants to change.

How many administrative assistants does it take to change a light bulb? None. It won't be changed until you fill out form #3422V - the light bulb change request form.

How many mystery writers does it take to change a light bulb? Two. One to screw the bulb almost all the way in, and one to give a surprising twist at the end.

How many Zen masters does it take to change a light bulb? Two. One to change it, and one not to change it.