Step-by-step explanation:
When Morris said "preaching to the dead," he was referring to the futility of trying to persuade people who are no longer receptive to new ideas or information. It's like trying to preach to someone who has already passed away - no matter how persuasive or compelling the message may be, it will have no effect. In a more general sense, Morris may have been commenting on the difficulty of changing people's minds once they have already formed a fixed opinion or belief. Whether due to ignorance, stubbornness, or a lack of openness to new ideas, some people simply cannot be reached through persuasion or argumentation.