I Shall Not Die, But Live [לא אמות כי אחיה]

Abraham is living in the Soviet Union. He lost one son in WWI and a second son in the current world war. When the Nazis invade, a professor who works with Abraham tells him he is also Jewish. He plans to commit suicide in order to escape the Nazi's persecution. Abraham argues with him, asking him what about his daughter and grandchildren: Should they commit suicide as well? The professor thinks Abraham is safe because he managed to become one of the nation through the sacrifice of his children. They argue.