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"