Ask that to an Amazon warehouse or a 3rd world factory worker.
Quit and do what? Starve? Become homeless? Destroy the little of what is left of your family's stability? Lose access to treatment of your health condition(s)? Die?
Perhaps if there was some way to survive in this world without relying on a greater force to put a roof over your head and bread on your table, then anyone could quit without being compelled to stay with the lesser suffering.