Oh please," said Zacharias Smith, rolling his eyes and folding his arms. "I don't think Expelliarmus is exactly going to help us against You-Know-Who, do you?" "I've used it against him," Harry said quietly. "It saved my life last June.
We need to find secular ways to cultivate warm-heartedness. We need secular ways to educate ourselves about inner values. The source of a happy life is within us. Trouble makers in many parts of the world are often quite well educated, so it is not just education that we need. We need to pay attention to inner values.