No one is born hating another person because of the color of his skin, or his background, or his religion. People must learn to hate, and if they can learn to hate, they can be taught to love, for love comes more naturally to the human heart than its opposite.Nelson Mandela
It's not enough to have "anti-bullying" campaigns--although they are important. It is also important to teach love and empathy. Encourage it. Nurture it. Model it. Celebrate it.
Turn it into entertainment:
And start with the young.