The Mission of the Seventy.
The plenteous harvest:
Related Commentaries of Luke 10:1
Luke 10:1-2
1 After these things the Lord appointed other seventy also, and sent them two and two before his face into every city and place, whither he himself would come.
2 Therefore said he unto them,The harvest truly is great, but the labourers are few: pray ye therefore the Lord of the harvest, that he would send forth labourers into his harvest.