Ten to sit around in a circle until one feels the inner light. Ten, one to do it and the rest to dance around, play the tambourine, chant, and sing. Only one, because any more might result in too much cooperation. None, they provide their own illumination. Nine, one to do it and the other eight to find a leg for him to stand on.
Agnostics question whether light bulbs really exist.
Two, one to screw it in and one not to screw it in. Two, one to do it and one to assert that the bulb didn't exist before it was lit up. No one knows. But soon all those around can warm up to its glowing. One to actually change the bulb, and nine to say how much they liked the old one.