And when ye come; and as ye enter (Revised Version), synchronous with the moment of your entrance (cf. Luke 17:12). Into an house; the house (Revised Version); i.e. of him who is worthy. Salute it. With the usual greeting of "Peace" ( 18:15; 1 Samuel 25:5, 1 Samuel 25:6).
Observe that Christ practised what he preached (John 20:19 [Luke 24:3]).