Mark closes the A-B-A sandwich construction with a conversation between Jesus and Peter (14:27–31) that recalls the theme of 14:17–21, where Jesus predicted “one of you will betray me” (14:18). Following the Passover, Jesus announces, “You will all fall away [Greek skandalizō]” (14:27). The Greek word is used in a passive sense, implying that the disciples will not willfully defect but fall away through weakness. Jesus supports his announcement by quoting Zechariah 13:7: “I wi…