In ancient Greece, Socrates was reputed to hold knowledge in high esteem.
One day an acquaintance met the great philosopher and said, "Do you know what I just heard about your friend?"
"Hold on a minute," Socrates replied. "Before telling me anything I'd like you to pass a little test. It's called the Triple Filter Test."
"Triple filter?"


Murphy decided it was time to buy a new house, so he decided to sell his old house and put the matter in a real estate agent's hands. The agent wrote up a sales blurb for the house that made wonderful reading.