Luke 10:2 in the King James Version
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.
Context
1 Now after these things, the Lord also appointed seventy others, and sent them two by two ahead of him into every city and place where he was about to come.
2 Then he said to them, “The harvest is indeed plentiful, but the laborers are few. Pray therefore to the Lord of the harvest, that he may send out laborers into his harvest.
3 Go your ways. Behold, I send you out as lambs among wolves.