The common theme of sending supports the view that verses 18–20, despite their apparent reference to the traitor Judas, belong with verses 1–17, not 21–30. In a sense, they serve the same function in relation to verses 12–17 that verse 11 serves in relation to verses 6–10. But it should be noted that the reference to Judas in verses 18–20 is not explicit (in v. 11 it became explicit only as a comment of the narrator). Jesus mentions Judas neither by name nor by such an expression as “he who betrays me” (cf. v. 11). His words do not even have to be understood as referring to one betrayer in particular. Verse 20 suggests that their most immediate application was to the mission of the disciples after Jesus had sent them forth. The three verses are a kind of prophetic oracle, warning of the da…