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.
All Commentaries on Luke 10:1 Go To Luke 10
Cyril of Alexandria
AD 444
An outline of this ordinance also was set forth in the words of Moses, who at the command of God chose out seventy, upon whom God poured out His Spirit. In the book of Numbers also it was written of the children of Israel, that they came to Elim, which is by interpretation“ascent,” and there were there twelve fountains of water, and seventy palm trees. For whenwe fly to spiritual refreshment, we shall find twelve fountains, namely, the holy Apostles, from whom we imbibe the knowledge of salvation as from the well-springs of the Savior; and seventy palms, that is, those who were now appointed by Christ. For the palm is a tree of sound core, striking deep root and fruitful, always growing by the water side, yet at the sametime putting forth its leaves upwards.
As the large fields require many reapers, so also do the multitude of believers in Christ. Hence He adds, Pray you therefore the Lord of the harvest, that he would send forth laborers into his harvest. Now mark that when He said, Pray you therefore the Lord of the harvest, that he would send forth laborers into the harvest, He afterwards Himself performed it. He then is the Lord of the harvest, and by Him, and together with Him, God the Father rules over all.