What does wiesel about never to do and his noble prize acceptance speech

And then I explained to him how naive we were, that the world did know and remain silent. And that is why I swore never to be silent whenever and wherever human beings endure suffering and humiliation. We must always take sides. Neutrality helps the oppressor, never the victim. Silence encourages the tormentor, never the tormented. Sometimes we must interfere. When human lives are endangered, when human dignity is in jeopardy, national borders and sensitivities become irrelevant. Wherever men or women are persecuted because of their race, religion, or political views, that place must – at that moment – become the center of the universe.

tending to cause harm