None, they enlighten themselves.
There's change in a lightbulb
I'm sorry, but I'm afraid I cannot do that"
Only one; But it takes a WHOLE E.R. room to extract it afterwards. Double joke! "whole... hole." it's a play on words ;)
I don't know, but it must be an odd number because, "they can't even."
None, the changes necessary will come from within.
Reintarnation.
He became enlightened.
One to screw it in and nine to write on their blogs about how enlightening the experiment was.