“When the comrades come to the Sierra,” Che told him, “we don’t take into account whether they believe in God or not, so we can’t oblige them to swear by God. For example, I don’t believe, and I am a fighter of the Rebel Army. ... Do you think it’s right to force me to swear an oath to something I don’t believe in?” Lafferte was convinced by Che’s argument: “I was Catholic,” he said, “but I understood the correctness of what he was proposing, and I took God out of the oath.”