Practical chemistry
I think it's Le Chatelier's Principle though I hesitate to look it up - what if it isn't? I've been using the same reasoning, remembered from a chemistry class in the mid nineteen sixties, to limit the amount of housework I've done over the last forty years or so. So far as I remember the ideas is that if you have a system in equilibrium and you do something to upset that equilibrium then the system does its damnedest to re-establish the balance. The implications are clear. Dust the mantelpiece and you are taking on the Universe. Mop and you are fighting the titanic forces of creation. Heaven knows what moves against you when you do a bit of vaccing. Whatever it is, in no time at all, the dust will be back and the floor full of bits. Anyway. I don't like cleaning. It's work and I'm not keen on work. It's pointless. Clean the car and either it rains or there is a giant dust storm. Hoover and mop the floor and that same rain and dust cloud undo...