A desk has "There are three kinds of people in the world... Those who can count, and those who can't" written on it.
A humorous sign is hanging from underneath a desk that claims there are three kinds of people in the world but only lists two.
Brown and blue desk that says "There are three kinds of people in the world".
brown and blue desk that says "Those who can count, and those who can't".
A desk with a sentence about counting written on it.