Just smiling goes a long way towards making you feel better about life.  And when you feel better about life, your life is better.  (Art Linkletter)

There's a notice at a viewpoint looking out over the Grand Canyon.  It explains in detail all the interesting features to be seen and its geology.  But beside that is a simpler sign which says, " For just one minute, don't read, don't talk, don't take photos.  Just look...and see"