Church Fathers on Luke 10:2
God had made known by the Prophets that the preaching of the Gospel of salvation was to embrace not only Israel, but also the Gentile nations; and therefore after the twelve Apostles, there were other seventy-two also appointed by Christ, as it is said, After these things the Lord appointed other seventy-two also.
Rightly are seventy-two sent, for to so 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 for the instruction of the foreign nations.
As also in twenty-four hours the whole world moves round and receives light, so the mystery of enlightening the world by the Gospel of the Trinity, is hinted at in the seventy-two disciples. For three times twenty-four makes seventy-two. Now as no one doubts that the twelve Apostles foreshadowed the order of Bishops, so also we must know that these seventy-two represented the presbytery, (that is, the second order of priests.) Nevertheless, in the earliest times of the…