Fifth Commandment: You shall not murder. Exodus : What does this mean? We should fear and love God so that we do not hurt or harm our neighbor in his body, but help and support him in every physical need. Sixth Commandment: You shall not commit adultery. Exodus : What does this mean? We should fear and love God so that we lead a sexually pure and decent life in what we say and do, and husband and wife love and honor each other.