Please help i need the answer by the end of the day

"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?

With crack on crack of thunder, zeus let fly a bolt against the ship, a direct hit, so that she bucked, in reeking fumes of sulphur, and all the men were flung into the sea. they came up 'round the wreck, bobbing a while like petrels on the waves. no more seafaring homeward for these, no sweet day of return; the god had turned his face from them. –the odyssey, homer read the passage. then, identify the theme that is supported by the passage. most ships cannot survive a terrible thunderstorm. the ocean is an angry beast that will tame any who try to control it. the gods have the power to control human destiny. men are willing to die to eat the delicious cattle of the gods.

What is wrong with they follow citation of a book with two authors