"Q:" How many Zen masters does it take to screw in a light bulb?
"A:" A tree in a golden forest.
"A:" Two - one to change the bulb and one not to change it.
"A:" One - to change and one not to change is fake Zen.
"A:" The true Zen answer is Four. One to change the bulb.
"A:" Zen Masters don't need to screw in light bulbs because they
carry their own light with them.