将以下英文段落翻译成中文。


"I have a dream that one day this nation will rise up and live out the true meaning of its creed: “We hold these truths to be self-evident, that all men are created equal.”
我有一个梦想，有一天这个国家将会站起来，实现它信条的真正含义：“我们认为这些真理是不言而喻的，即所有人生来平等。”