Pause You Who Read This. In Great Expectations, Dickens writes, "Pause you who read this, and think for a moment of the long chain of iron or gold, of thorns or flowers, that would never have bound you, but for the formation of the first link of one memorable day."   Again; I ask the reader to pause and think for a moment; think of our human species, that has come so far in many of our improvements under the conditions we inherited here on planet earth; improvements in our sanitation, shelters and food. These improvements were not some idle whimsy idea, they were made because we needed and wanted to survive as a species, we come to understand that shelter, food and sanitation were the ingredients for longevity. We most often take these normal functions of the human body for granted without thinking as we live our daily lives in suburbia, moving with the speed of light from our jobs to our homes. Should you doubt, you have only to try a small experiment; For a few days camp in your back yard, without the use of your kitchen to cook your meals for nourishment, the shelter that provides warmth