If everything, everywhere, and everyone is constantly changing.
Then you never know how you are doing because you have nothing to measure against the rate you change.
When something is wrong, change one thing, measure it, and move forward.
Change one thing, measure it, and move forward.
Change one thing, measure it, and move forward.
Change one thing, measure it, and move forward.
This is how you determine whether your changes are having an impact or whether they are simply changes.
