In the movie, Dr. King is a little confused about his goal, but he knows that he cannot give up, the black rights must be obtained by someone to extract the rational appeal（提出理性呼吁）, someone to sacrifice（牺牲）themselves, to unite people.
During the last parade,which took up almost the entire bridge, all the white participants joined hands with the black crowd, sang songs and marched toward the Capitol（国会大厦）.
At the end of the movie, the reconciliation of the President takes a new step to achieve equal rights for blacks. The violent police chief was sacked, Dr. King's wife attended the speech, two of Dr. King's aides were elected to the United States congress and Jamie's grandfather was finally belatedly given the vote. This, so to speak, gave the paradea happy ending.
Dr. King was not accepted by his family or understood by others. But he remained calm enough to stand his ground. In contrast to the heartless world, Dr. King's speech is so moving, like a fire to warm the heart.
Finally, he was imprinted on the hearts of sentient people all over the world. Dr. King lives on in their hearts.
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