Common man is brought up within the bubble of their parent's beliefs. Intelligent man breaks out of that bubble, once he find it too constraining. Unintelligent

Common man is brought up within the bubble of their parent's beliefs. Intelligent man breaks out of that bubble, once he find it too constraining. Unintelligent man does not. Unintelligent man also have trouble identifying bubbles. Earth provide opportunities for success for both men. In the long run, one of them will dominate the other.