Anaphora is a rhetorical device that involves the repetition of a word or phrase at the beginning of successive clauses or sentences. This technique is often used in literature, speeches, and poetry to create emphasis and rhythm. By repeating a specific phrase, the speaker or writer can enhance the emotional impact of their message and make it more memorable. A well-known example of anaphora can be found in Martin Luther King Jr.'s "I Have a Dream" speech, where he repeatedly uses the phrase "I have a dream" to emphasize his vision for equality and justice. Anaphora can also be seen in various literary works, where it helps to reinforce themes and connect ideas throughout the text.