Ex. “Now is the time to lift our nation from the quicksands of racial injustice to the solid rock of brotherhood” (paragraph 4, sentence 1).
Martin Luther King Jr. uses a metaphor in his speech by comparing the way America needs to rid itself of racial injustice to raising a stone from quicksand to solid rock. Racial injustice is the quicksand that will bury the stone that represents our nation. By bringing the stone onto the solid rock, representing brotherhood, it no longer is in danger of sinking in the quicksand.
Antithesis- Allusion
Ex. “The marvelous new militancy which has engulfed the Negro community must not lead us to distrust of all white people, for many of our white brothers, as evidenced by their presence here today, have come to realize that their destiny is tied up with our destiny and their freedom is inextricably bound to our freedom” (paragraph 7, sentence 4).
Martin Luther King Jr. uses antithesis by describing militancy with the word marvelous. This is an antithesis because usually militancy has a negative outcome. Instead of acknowledging that negativity, however, King describes it as “marvelous.”
Repetition
In writing, using repetition is distracting, however, in a speech, you need to connect with your audience. By giving short simple sentences packed with power, your audience begins to feel the emotion. You can judge a speech by how much it moves the audience. His speech moved the audience so that they felt and believed for him, because he connected with them. In short, this is why he used repetition: To connect with his audience.