" Donald had found, he said he was going to make a call to eighteen. ‘I want to come with you,’ Donald said. ‘It’s my theory after all.’ What he wanted to say was that he wouldn’t take the coward’s way. If someone was to be executed on his account – one life for the sake of many – he didn’t want to hide from the decision. Thurman agreed. They rode the lift almost as equals. "

― Hugh Howey , Shift (Silo, #2)