Entropy

If there is no entropy, nothing works. The same with people. We need to be a bit disorganized, to leave our socks all over in the living room, the dishes for long in the sink, and the screw drivers all over in the lab.

Ones there was a wrench, in a dark lab in the Research Land. It wanted to come out to the light, but could never get out of the blue door. Many times the researchers found it on the floor and did not understand what happens every night that the wrench falls again from the top of the drawers; blue as well ... the drawers.

Ones the wrench escaped and never came back. The scientists looked everywhere for the wrench, but never could find it. And eventually, ones, it was replaced with a smaller wrench, a red one this time. Every time they used the new small wrench, they thought of the good old times when the wrenches were blue and used to fall on the floor.

Those wrenches are as socks: as they are in the washing machine, they disappear in entropy.