The raindrop in which the beautiful sunbeam is playing was drawn in the form of vapour from the ocean, went far away into the air, and reached a region where it changed into water, and dropped down in its present form — to be converted into vapour again. So with everything in nature by which we are surrounded. We know that the huge mountains are being worked upon by glaciers and rivers, which are slowly but surely pounding them and pulverising them into sand, that drifts away into the ocean where it settles down on its bed, layer after layer, becoming hard as rocks, once more to be heaped up into mountains of a future generation. Again they will be pounded and pulverised, and thus the course goes on. From sand rise these mountains; unto sand they go.