He’ll do that to somebody else if you don’t stop him.

One warning sufficed to stop her doing it.

If you notice your student or child making fun of another student, stop it immediately.

Every so often I would wonder what people would think if they found out, especially our parents, but it always felt so right and was so exciting that these concerns were never enough to stop me.

"I suppose every filmmaker has the naive, even pathetic dream that his film could be the one that finally stops a war, " said Maoz.