Answer:
Oxymoron is the figure of speech used for this
(still not sure though)
What passages are the ones you are talking about?
<span>John F. Kennedy had the wit and the wisdom taken in his speech. The following content of it would be after the post-war, which ended the terrible depression as well as the harm of the people. He gave a way for the new generation to bring upon change in the country. He instilled peace and for the new generation to learn from their mistakes. He is loved by the people because he carries hope for all those who suffered.</span>
