Pi
They can't. There's a wall.
None, he lets the knives do the work
Does it have to be a light bulb? 'Cause I had this other idea...
None, change comes from within.
Somewhere between 0 and infinity.
Because they're always trying to find the x. They don't know y, either.
Because he kept throwing his pi in other peoples faces!
Let's get rational you can't carry on like this!