Related:

• There are two types of people in this world - Those who want to control and those who want to be controlled.
• There are two types of people in this world, those who crack their knuckles, and those who would like to crack those who crack their knuckles.
• There are two types of people: those who divide people into two types, and those who don't.
  -- Barth's Distinctio...
• Barth's Distinction: There are two types of people
  hose who divide people into two types, and those who don't....
• There are three types of people in this world: those who can count, and those who cannot.
  -- Carl G. Hostnik...