Life after a hero's sacrifice

Humanity was about to end by a machine until the smartest man of the world who created the machine stop it by sacrificing himself. Andrew knew that he had to sacrifice himself in order to save humanity from destroying them self with the use of his intelligence and ideals. Yet his childhood friends, Martin will not let him go and save him even when Andrew said to let him die. Will Andrew predictions of him just living will caused humanity to perish come true?