Describe the Universe; Give Examples

First, write no harm.

You are a racer, a long distance runner, a creature of will and discipline and ambition, and you stoop to retie your shoelace, which is tied in a double knot because the leftover laces were too long, and you tug on an end, a loop, with no idea of the consequences to the knot. And the knot—

The knot unties, or the knot

Does not.

Next question?

(PB)