Instruction for the Disciples: Luke’s account of the choosing of the Twelve (6:12–16) is based on Mark 3:13–19, while his summarizing account of Jesus’ healings on the “level place” (6:17–19) is based loosely on Mark 3:7–12. Luke reversed the order of these Marcan units to accommodate the sermon that follows (6:20–49). As it now stands in Luke, Jesus goes up on a mountain (v. 12) to appoint the Twelve, then he descends to a plateau to teac…