Once you provide the statement, I can help you identify the rhetorical device used.
For example, some common rhetorical devices used in "I Have a Dream" include:
* Anaphora: Repetition of a phrase or word at the beginning of successive clauses or sentences.
* Metaphor: A figure of speech that compares two unlike things without using "like" or "as."
* Simile: A figure of speech that compares two unlike things using "like" or "as."
* Alliteration: Repetition of consonant sounds at the beginning of words.
* Assonance: Repetition of vowel sounds within words.
* Parallelism: Using similar grammatical structures to express related ideas.
* Personification: Giving human qualities to inanimate objects or abstract ideas.