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
Theophilus of Antioch
AD 184
The Lord had appointed the disciples forthe sake of the multitude, who were in want of teachers. For as our corn fields require many reapers, so the innumerable company of those who are to believe need many teachers, as it follows, The harvest truly is great.