'Stillness is not often a virtue that is praised in our society. On the contrary, we are actively encouraged to do more and more - by our families, our religious groups, our employers, the media. Our culture likes perpetual motion. It likes us to want much and do much. But, to our dismay, we find sooner or later that to have much, to be a consumer, does not always mean that we will feel fulfilled. Sometimes our consuming may leave us very empty. So...