给出一段英文文本，请将其翻译成中文。


以下是美国历史上著名演说家马丁·路德·金的名言：“I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin, but by the content of their character.”
"I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin, but by the content of their character." 这是美国著名演讲家马丁·路德·金的名言。