Our mountains, oceans, deserts, and forests have traded places on Earth through the shifting sands of time; so has the life that it supports. Some species have come and gone and others have adapted to change. These natural changes have occurred everywhere on Earth: in its air, on its land, and under its seas. Here also, there is nothing fixed or static. This article titled, Balancing Our Inner and Outer Worlds, shows how great balance is for man to obtain satisfaction.