I had the good fortune of speaking at a local Rotary Club meeting last week, and at the end of the meeting I was given a pen inscribed with "The 4-Way Test of the things we think, say, and do."

Now this wasn't just an ordinary pen. It was one of those cool "clicker" pens, where every time you push on the top of the pen a different message appears in its side window. In this case, the pen displays each of "The 4-Way Test" messages: