At the end of the speech, what does Kennedy urge his fellow Americans to how does the information you learned shed light on an aspect of the speech

In the first paragraph It shows him talking about others and him/her self In past experiences and the second one it Starts with him talking about a newspaper the newspaper is a thing considering the fact that the newspaper Or “Thing “is a solid item and can be seen from the naked eye (The naked eye = the human eye) makes the item or “thing “being able to be used as evidence or proof