Droplets...

If you have ever taken a droplet of pond water and looked at it under the microscope, it is incredible how many organisms live in that one little drop. Thousands. All swimming around. Bounded by the spherical walls of their world. Not realizing that a much larger world exists just outside their sphere. Focused only on, and caring only about, their immediate needs. Oblivious. Every amoeba and paramecium for themselves. A lot of humans are like that too...