Apart from selfish reasons, such as fear of punishments, fear of blame, of dishonour, etc, there remains only two motives that can stop (or prevent, "empâecher", Fr. ) men from acting badly; the natural sense of commiseration (or "sympathy", - "commisération", Fr. ) for one's fellow men - compassion, and the influence of education, by association of ideas ("par l'association d'idées", Fr. ) - habit.
You are the smartest children i know. You just don't beleive it.