You need to refer to the book itself to get exact quotes, if required for this. However, in the first part of <em>Night</em> outlines the horror of waiting to go to the concentration camps. They discuss several times fleeing the country or trying to escape. When Maria offered to do that, Wiesel's father said the children could go, but that he was too old to try and start over. He would stay behind. Because he makes that choice, no one in his family leaves. In many ways, this demonstrates how proud Wiesel's father is in general as he is not willing to try and liquidate his assets or escape in general. He thinks he is too old to try and accomplish it when, if he had made the choice, he could have saved his entire family. This is actually seen several times in the novel, even when he and his father end up together in concentration camps. We come to realize the more we read how important the idea of family is to them.
Answer:
never forget the memories you share with your loved ones and always cherish them
