I'm only responsible for what I say, not for what you understand. Although as an author I am responsible for making readers understand--a reader who doesn't understand is an unhappy reader. (And there is some value to leaving some questions unanswered.
Giving up on your goal because of one setback is like slashing your other three tires because you got a flat. So giving up on my goals for succeeding school and graduating will not be stopped by one setback.