Then saith he unto his disciples, The harvest truly is plenteous,
but the labourers are few; Pray ye therefore the Lord of the harvest, that he will send forth labourers into his harvest.
Matthew 9:37-38 (KJV)
Now he who supplies seed to the sower and bread for food will also supply and increase your store of seed and will enlarge the harvest of your righteousness.
2 Corinthians 9:10 (NIV)