Aristotle, the golden mean or golden middle way or Goldilocks theory is the desirable middle between two extreme, one of excess and other of deficiency
It would be Ancient Greek democracy
Viktor Petrovich Bryukhanov (Ukrainian: Віктор Петрович Брюханов, Russian: Виктор Петрович Брюханов) was the director of the Soviet Central Committee on nuclear energy in 1986.
The creators of the roman republic work to ensure that no leader became too powerful so that everyone in the empire got to have a say on what they want to happen. For them, a too powerful leader would have all the say and not let anyone else contribute.