Matthew 9:37

Then saith he to his disciples, The harvest truly is great, but the labourers are few.

Luke 10:2

And he said to them, The harvest truly is plenteous, but the labourers are few: pray ye therefore the Lord of the harvest, that he would send forth labourers into his harvest.

Matthew 28:19

Go ye and disciple all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost.

Mark 16:15

And he said to them, Go ye into all the world, and preach the gospel to every creature.

Luke 24:47

And that repentance and remission of sins should be preached in his name to all nations, beginning at Jerusalem.

John 4:35-36

Say ye not, There are yet four months, and the harvest cometh? Lo, I say to you, Lift up your eyes, and survey the fields, for they are white already to harvest.

Acts 16:9

a man of Macedonia stood and intreated him, saying, Come over into Macedonia, and help us.

Acts 18:10

For I am with thee, and no man shall set on thee to hurt thee; for I have much people in this city.

1 Corinthians 3:9

For we are fellow-labourers of God: ye are God's husbandry, ye are God's building.

2 Corinthians 6:1

We then, as fellow-labourers, do also exhort you, not to receive the grace of God in vain.

Philippians 2:19-21

Now I trust in the Lord Jesus, to send Timotheus to you shortly, that I also may be encouraged, when I know your state.

Colossians 4:11

receive him,) And Jesus, called Justus, who are of the circumcision: these are the only fellow-workers unto the kingdom of God, who have been a comfort to me.

1 Thessalonians 5:12-13

Now we beseech you, brethren, to know them that labour among you,

1 Timothy 5:17

Let the elders who rule well be counted worthy of double honour, especially those who labour in the word and teaching.

Treasury of Scripture Knowledge

Summary

Then saith he unto his disciples, The harvest truly is plenteous, but the labourers are few;

Bible References

The harvest

Matthew 28:19
Go ye and disciple all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost.
Mark 16:15
And he said to them, Go ye into all the world, and preach the gospel to every creature.
Luke 10:2
And he said to them, The harvest truly is plenteous, but the labourers are few: pray ye therefore the Lord of the harvest, that he would send forth labourers into his harvest.
Luke 24:47
And that repentance and remission of sins should be preached in his name to all nations, beginning at Jerusalem.
John 4:35
Say ye not, There are yet four months, and the harvest cometh? Lo, I say to you, Lift up your eyes, and survey the fields, for they are white already to harvest.
Acts 16:9
a man of Macedonia stood and intreated him, saying, Come over into Macedonia, and help us.
Acts 18:10
For I am with thee, and no man shall set on thee to hurt thee; for I have much people in this city.

But

1 Corinthians 3:9
For we are fellow-labourers of God: ye are God's husbandry, ye are God's building.
2 Corinthians 6:1
We then, as fellow-labourers, do also exhort you, not to receive the grace of God in vain.
Philippians 2:19
Now I trust in the Lord Jesus, to send Timotheus to you shortly, that I also may be encouraged, when I know your state.
Colossians 4:11
receive him,) And Jesus, called Justus, who are of the circumcision: these are the only fellow-workers unto the kingdom of God, who have been a comfort to me.
1 Thessalonians 5:12
Now we beseech you, brethren, to know them that labour among you,
1 Timothy 5:17
Let the elders who rule well be counted worthy of double honour, especially those who labour in the word and teaching.