Which element of a literary adaptation should remain the same as the original work

Which excerpt from rudyard kipling’s the white man’s burden conveys

"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?

Frankenstein: what attitudes toward education are expressed by shelley in her description of victor’s upbringing in chapter 1? what, for example, motivates victor and elizabeth to study/practice?