After these things the Lord appointed seventy others also, and sent them two by two before his face into every city and place, where he himself would come.
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Bede
AD 735
Rightly are seventy-two sent, for toso many nations of the world was the Gospel to be preached, that as at first twelve were appointed because of the twelve tribes of Israel, so, these also were ordained as teachers forthe instruction of the foreign nations.
Now as the great harvest is this whole multitude of believers, so the few laborers are the Apostles, and their followers who are sent to this harvest.