Indeed. Lao Tzu would insist it's also what works the best with everything in the world. Wu-wei, non-action...
In NLP we would say only change the little thing that makes the change.
I also heard that the glass is not half empty or half full, the glass is too big.
Only do that which really matters. And do it subtly enough that no one (icluding yourself) knows you are doing it.
In Sum-i painting they use the minimum amount of ink to suggest the scene so the viewer must participate to see it.