Related:

• How many Heisenbergs -- does it take to change a light bulb?
  If you know the number, you don't know where the light bulb is....
• How many big black monoliths -- does it take to change a light bulb?
  Sorry, light bulbs are an evolutionary dead end....
• How many nihilists -- does it take to change a light bulb? There is nothing to change.
• How many anglers -- does it take to change a light bulb?
  Five, and you should've seen the light bulb! It must have been this big!...
• How many dead babies -- does it take to change a light bulb?
  As many as it takes to make a pile big enough to climb on to reach the bulb....
• How many Romanians -- does it take to change a light bulb?
  How many packs of cigarettes are you willing to give them?...
• How many lawyers -- does it take to change a light bulb? How many can you afford?
• How many psychologists -- does it take to change a light bulb?
  How many do you think it takes?...
• How many magicians -- does it take to change a light bulb?
  Depends on what you want to change it into....