"When asked to put lemons on a scale between fast and slow almost everyone says 'fast', and we have no idea why..."
by Barry C. Smith
Above belongs to one of peoples answers to the question
"What is your favorite deep, elegant, or beautiful explanation?"
All, 191 reponses, are here:
http://www.edge.org/responses/what-is-your-favorite-deep-elegant-or-beautiful-explanation
Just browsing there...