Simplest Thing

See DoTheSimplestThingThatCouldPossiblyWork, TimeToMakeItSimple, EinsteinPrinciple

Also the SimplestThing that makes sense given the situation. A more comprehensive thought than the qualified link given above, encompassing a plethora of states and processes. Those preferring simplicity of statement might use the shorter. Those desiring clarity over simplicity might use the longer.

{My experience is that you very rarely, if ever, find the SimplestThing that could possibly work. Just something SimpleEnough. Reducing things to simple components is, like many optimization problems, very difficult.}