How does the image enhance the paragraph?

"as one of our outstanding historical figures once said, ‘when a great democracy is destroyed, it will not be because of enemies from without but rather because of enemies from within.’" (paragraph 7) how does this quote reveal mccarthy’s point of view and advance the purpose of his speech?

Whats the importance of gaining a general understanding of and interpretation of the work of literature. explain what the importance is to me

Write an objective summary of the piece by restating the central ideas in your own words.(from nature by ralph waldo emerson.)