Why did Zeus want revenge against the humans?

What type of figurative language is used in this passage from "letter from birmingham jail"? just as the prophets of the eighth century b.c. left their villages and carried their "thus saith the lord" far beyond the boundaries of their hometowns, and just as the apostle paul left his village of tarsus and carried the gospel of jesus christ to the far corners of the greco roman world, so am i compelled to carry the gospel of freedom beyond my own hometown. allusion symbolism imagery metaphor

At first i was afraid to approach him—then the fear left me. he was sitting looking out over the city—he was dressed in the clothes of the gods. his age was neither young nor old—i could not tell his age. but there was wisdom in his face and great sadness. you could see that he would have not run away. he had sat at his window, watching his city die—then he himself had died. but it is better to lose one's life than one's spirit—and you could see from the face that his spirit had not been lost. i knew, that, if i touched him, he would fall into dust—and yet, there was something unconquered in the face. how does the conflict at the beginning of the paragraph move the plot forward? the narrator realizes that he is scared of the gods. the narrator realizes that he distrusts the spirits the narrator realizes that the god was a man. the narrator realizes that he is powerful like the gods.

Is my answer correct? if not correct me