Pray ye therefore the Lord of the harvest - the great Lord and Proprietor of all. Compare Joh 15:1, “I am the true vine, and My Father is the husbandman.”
that he will send forth labourers into his harvest - The word properly means “thrust forth”; but this emphatic sense disappears in some places, as in Mat 9:25, and Joh 10:4 - “When He putteth forth His own sheep.” (See on Mat 4:1).