《真理诞生于一百个问号之后》这篇课文在写法上有一个特点：用具体的事实来说明观点。请你也用具体的事实来说明“功夫不负有心人”这一个观点。
                                                                                                                                                           
                                                                                                                                                           

【考点】文史常识

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