Parallelism is a literary device in which parts of the sentence are grammatically the same, or are similar in construction. it can be a word, a phrase, or a entire sentence repeated. King's famous 'i have a dream' repetition makes the speech compelling and rhythmic, as well as memorable.
You might impress the reader with your writing skills
Explanation:
Parallelism is about balance. In grammar, it's when two or more sentences share the same gramatical structure. If a sentence is written with the use of parallel construction, it might make your writing effective. Your work might be seen as classy and will most likely impress those who have a chance to read what you write.
