Le Chatelier's Principle
"If any change is imposed on a system that is in equilibrium then the system tends to adjust to a new equilibrium counteracting the change"
You will note this cannot be derived from physical law, whether thermodynamic ,classical, quantum or relativistic. It is a stand-alone abstract empirical observation applying to general systems of any type, whether it be a quartz crystal or the Holy Roman Empire.
It's like "Battleships"; I've been getting near misses all around this, but I can't seem to score a direct hit.