According to Greek mythology, humans were originally created with four arms, four legs and a head with twofaces. Fearing their power, Zeus split them into two separate parts, condemning them to spend their lives in search of their other half.
When faced with two choices, simply toss a coin It works not because it settles the question for you, but because, in that brief moment when the coin is up in the air, you suddenly know what you are hoping for
Because in all of the whole human race [...], there are two kinds of men - and only two: There's the one staying put in his proper place And the one with his foot in the other one's face