Creativity often consists of merely turning up what is already there. Did you know that right and left shoes were thought up only a little more than a century ago? Bernice Fitz-Gibbon

"Keep me, O LORD, from the hands of the wicked; protect me from men of violence who plan to trip my feet." Psalm 140:4  

Why couldn't the two feet get along?

Answer: Because they both thought they were right.