They both only really work on paper
When it's broke.
Work it out with a pencil
They're hard to get started, they emit noxious odors, and half the time they don't work.
Because everyone would get the same Marx.
It was a work of friction.
Teacher: Why is your paper blank? Student: Sometimes silence is the best answer ! :D :D
Both are dead inside.
The rightful owner of both is white
Neither one works.
The rest of the world has varying degrees of communism.