Jerome

Otherwise; To this His exhortation to the disciple to entertain his teacher, there might a secret objection arise among the faithful; then shall we have to support the false prophets, or Judas the traitor. To this end it is that the Lord instructs them in these words, that it is not the person but the office that they should look to; and that the entertainer loses not his reward, though he whom he entertains be unworthy.