6. many people—It would have increased the difficulty had he been sent, not merely to one, but to "many people" differing in tongues, so that the missionary would have needed to acquire a new tongue for addressing each. The after mission of the apostles to many peoples, and the gift of tongues for that end, are foreshadowed (compare 1Co 14:21 with Isa 28:11).
had I sent thee to them, they would have hearkened—(Mt 11:21, 23).