"Children reflect the innocence, purity, simplicity, and tenderness of our Lord, and since they are given the protection of a guardian angel, we are to love them, train them, and take care not to give scandal to them. We need to try to treat everyone with love and respect because, beside each believer stands an angel as protector and shepherd leading him to life” (St. Basil)
And if everyone only followed the rule in that quote...